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Question 178079: Quadratic Relations
39) The vertex of a parabola is (-2,-4). One x-intercept is 7. What is the other x-intercept? (PLEASE)
Thank you very muchhhhhhhhhhhh
Click here to see answer by gonzo(654)

Question 178201: Chocolate chip cookies are sold fo $6.95 per pound and white chocolate cookies for $5.95 per poud. How many pounds of chocolate chip cookies should be mixed with 4 pounds of white chocolate cookies to obtain a mixture that sells for $6.75 per pound?
Click here to see answer by stanbon(75887)

Question 178187: Does this function have a maximum or a minimum? After solving this equation I came up with (x=1) and (x=-5). Am I correct? Please include details. I don't yet know how to find a max or min. Please explain how to find this answer.
Click here to see answer by nerdybill(7384)

Question 178244: Chocolate chip cookies are sold for $6.95 per pound and white chocolate cookies for $5.95 per pound. How many pounds of chocolate chip cookies should be mixed with 4 pound of white chocolate cookies to obtain a mixture that sells for $6.75 per pound?
Click here to see answer by stanbon(75887)

Question 178286: Three consecutive even integers are such that the square of the third is 100 more than the square of the second. Find the three integers.
Click here to see answer by jim_thompson5910(35256)

Question 178284: A photo is 4 inches longer than it is wide. A 3 inch border is placed around the photo making the total area of the photo and border 165 inches. What are the dimensions of the photo?

Click here to see answer by jim_thompson5910(35256)

Question 178294: A rectangular patio is 7 feet longer than it is wide. Determine the dimensions of the patio if it measures 13 feet diagonally.
Click here to see answer by jim_thompson5910(35256)

Question 178317:
Click here to see answer by user_dude2008(1862)

Question 178086: Quadratic Equations
Find the x-intercepts of each parabols.
c) y=x^2-4x+4
d) y=4x^2-12x+9
Thank you very much pleaseeeeeeeeeeee
Click here to see answer by Alan3354(69443)

Question 178398: Use the quadratic formula to solve: x^2+12x+11=0
Click here to see answer by jim_thompson5910(35256)

Question 178397: Use the quadratic formula to solve: x^2+8x+7=0
Click here to see answer by jim_thompson5910(35256)

Question 178395: Solve by completing the square: x^2+4x-5=0
Click here to see answer by jim_thompson5910(35256)

Question 178406: A farmer decides to enclose a rectangular garden using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 100ft of fence? What should the dimensions of the garden be to give this area?
Click here to see answer by EMStelley(208)

Question 178424: I am totally stuck. I do not think I can answer in decimals, yet that is what I keep coming up with. In other exercises like this I get an answer with a square root in it......
solve 3x^2-5x-11=0
A. what are the solutions
B. What are the x intercepts
Simplify your answers. Type exact answers using radicals as needed. Express complex numbers in terms of i. Use commas to separate your answers as needed.
Click here to see answer by jim_thompson5910(35256)

Question 178500: area of a rectangle= 220 square feet. find the diminensions of the figure.

--------------------
x-9 | |
| |
| |
--------------------
x
Click here to see answer by nerdybill(7384)

Question 178495: use the following equation, where x and y are the measured in meters, to model a cross section of the Barringer Meteor crater, near Winslow, Arizona
y=1/1800(x-600)(x+600)
1) assuming the lip of the crater is at y=0, how wide is the crater?
2) what is the depth of the crater?
Click here to see answer by stanbon(75887)

Question 177821: Quadratic Equations
Find the x-intercepts of each parabola.
a) y=x^2-4x+4
b) y=4x^2-12x+9
Click here to see answer by jojo14344(1513)

Question 177829: Quadratic Equations
Complete the square to rewrite each relation in the form y=a(x-h)^2+k. Then, sketch a graph of each parabola, labelling the vertex, the axis of symmetry, and two other points.
a)y=x^2+4x+10
b)y=-x^2+6x-8
c)y=-2x^2-12x-7
Thank you very much

Click here to see answer by jojo14344(1513)

Question 178569: X^2 - 4X = 12
Click here to see answer by Mathtut(3670)

Question 178629: what is the factorization of -12x squareed+147?
Click here to see answer by jim_thompson5910(35256)

Question 178628: area of a rectangle= 220 square feet. find the dimensions of the figure
x-9 is the width and the length is x.
Click here to see answer by solver91311(24713)

Question 178665: f(x)= -1/2x^2
Click here to see answer by Alan3354(69443)

Question 178718: Solve the following by substitution
2x-y=10
x=-2y
Click here to see answer by jojo14344(1513)

Question 178721: Tell whether the quadratic function has a maximum value or minimum value. Then find the value and round to the nearest tenth.
y= -x squared - 2x+5
I'm not sure how to find maximum or minimum values..
Thank you
Click here to see answer by stanbon(75887)

Question 178883: The equation is tickets= -0.2x^2+12x+11.
what would be the last day tickets are sold? How many days would the peak occur?
Click here to see answer by nerdybill(7384)

Question 178874: x^2+8=4t
Click here to see answer by solver91311(24713)

Question 178903: 2x^2+5x-12=

Click here to see answer by jojo14344(1513)

Question 178985: Use the following equation, where x and y are measured in meters, to model a cross section of the Barrenger Meteor crater, near Winslow, Arizona.
Barringer meteor crater model= y=1/1800(x-600)(x+600)
what is the depth of the crater?
Click here to see answer by ankor@dixie-net.com(22740)

Question 179311: Just like my other question, I keep coming with wrong equations, these are my final assignment and I have to get it right...I need help in word problems, my weakest part is comming up with the right equation...
Kim starts to walk 3 mi to school at
7:30 A.M. with a temperature of 0�F. Her brother Bryan
starts at 7:45 A.M. on his bicycle, traveling 10 mph faster
than Kim. If they get to school at the same time, then how
fast is each one traveling?
Click here to see answer by stanbon(75887)

Question 179308: Time off for lunch. It usually takes Eva 3 hours longer to
do the monthly payroll than it takes Cicely. They start
working on it together at 9:00 A.M. and at 5:00 P.M. they
have 90% of it done. If Eva took a 2-hour lunch break
while Cicely had none, then how much longer will it
take for them to finish the payroll working together?
Click here to see answer by josmiceli(19441)

Question 179283: Arectangle 6 feet by 8 feet has a border of uniform width around the inside of all four edges. If the border has an area of 33 square feet, how wide is the border?
Click here to see answer by checkley75(3666)

Question 179279: A 7-INCH BY 10-INCH RECTANGLE HAS A STRIP OF UNIFORM WIDTH, X INCHES, AROUND ITS OUTSIDE. IF THE AREA OF THE STRIP IF 50 SQUARE INCHES, WHAT IS THE WIDTH OF THE STRIP?
Click here to see answer by checkley75(3666)

Question 179354: P=24x^+120x/x^+8x+15

Click here to see answer by ankor@dixie-net.com(22740)

Question 179376: An original quadratic equation for x is of the form: x^2+bx+c=0. If c is increased by 4, the roots for x of the resulting equation are equal, but if the original c is decreased by 5 one of the roots for x in this resulting equation is twice the other. Find the product of the roots for x in the original quadratic equation.
Click here to see answer by josmiceli(19441)

Question 179402: Hello I need hepl with this equation. f(x)=-5x+8 at f(-3), and f(x)=3xsqr.-4x-3 at f(x-1)
Click here to see answer by vleith(2983)

Question 179152: Pleae help.
Find all real and imaginary solutions to each equation.
b^4+13b^2+36=0
Click here to see answer by monika_p(71)

Question 179282: Matt makes a cardboard frame to go around the edges of an 8cm * 10cm photograph. The frame has an area of 63 square centimeters and is of equal width all the way around. What is the width?
Click here to see answer by edjones(8007)

Question 179456: Solve using completing the square:

I think I have to put the constant on the other side of the = but I am not really sure. Thank you ahead of time.
Click here to see answer by stanbon(75887)

Question 179458: Solve using the quadratic formula:
Thank you so much.
Click here to see answer by Alan3354(69443)

Question 179455: I need help with this Quadratic Equation:
Solve using the square root property:

I know that I have to get rid of the ^2 but I am not sure how. Thank you so much.
Click here to see answer by stanbon(75887)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240