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Question 132083: Find the x-intercepts and y-intercepts for f(x).
f(x) = x^2 - 8x + 9

The x-intercepts are: 1.354 & 6.646
the y-intercepts are: 9
Thank you!
Click here to see answer by checkley71(8403)

Question 132157: I have no idea where to start.
Thank You
Television sets... What does it mean to refer to a 20in TV set or a 25 in TV set? Such units refer to the diagonal of the screen. A 10in TV set also has a width of 8 inches.
What is the height of a 10in TV? ___inches
Click here to see answer by rapaljer(4667)

Question 132153: Totally confused. Please help
If the sides of a square are lengthened by 7cm, the are becomes 225cm^2. Find the length of a side of the original square.
Yje length of a side of the original square is ____cm.
Click here to see answer by rapaljer(4667)

Question 132151: We are struggling with these problems. Thank you
Find the variation constant and an equation of variation where y varies directly as x and y=80 when x=10.
The variation constant is K=_____
The equation of variation is y=_____
Click here to see answer by rapaljer(4667)

Question 132170: If given x=3 and x= -5
write a quadratic equation
Click here to see answer by stanbon(57203)

Question 132160: hi!
my problem is now: THE DISTANCE BETWEEN THE ROAD OF A BRIDGE AND THE TOP PART OF ITS ARCH IS 3m. IF THE ARCH OF THE BRIDGE IS GIVEN BY THE EQUATION
h(x)=7x-x^2, FIND THE HEIGHT OF THE BRIDGE.
thank you!
Click here to see answer by stanbon(57203)

Question 132175: PLease help me solve this equation.I am suck.
A line is located at (1,3) and (4,-2).Where is the slope.
I got -5/3
Thank YOu!
Click here to see answer by nycsharkman(136)

Question 132177: Consider there is an entrance ramp to a doorway.G is a (0,2)and H is at (7,0)if each space on the graph paper represents 1 foot,how tall is the ramp?.Also,What is the distance from the bottom to the edge of the building?
My answer is (for the 1st question)4 ft tall
Thank You for your help AND time!
Click here to see answer by nycsharkman(136)

Question 132190: please help solve this.
this is from a text boook.
Factor 6ab-8b.
The answer i got is 2b(3a-4)is it correct?
Thank You1
Click here to see answer by josmiceli(9645)

Question 132222: Determine the nature of the solutions of the equation.
y^2 = 3/2y + 2/7
a. 1 real solution
b. 2 non-real solutions
c. 2 real solutions
I am confused about the fractions number one and how to determine how many real or non-real solutions there are. Can someone please help?
This is not from a textbook.
Click here to see answer by stanbon(57203)

Question 132223: Give exact and approximate solutions to 3 decimal places.

x^2 - 7x + 5 = 0
What are the exact solutions?
What are the approximate solutions to 3 decimal places.
I am confused with the whole problem, but also after you figure out the exact solutions how do you determine the approximate ones?
Click here to see answer by checkley71(8403)

Question 132231: 1) a daily newspaper had 12,125 subscribers when it began publication. five years later it had 10,100 subscribers. what is the average yearly rate of change in the number of subscribers for the five-year period.
Click here to see answer by stanbon(57203)

Question 132230: 1) the pitch of a roof is the number of feet the roof rises for each 12 feet horizontally. if a roof has a pitch of 8, what is its slope expressed as a positive number?
Click here to see answer by stanbon(57203)

Question 132221: Find the vertex, the line of symmetry, and the maximum/minimum value of f(x). Then, graph the function.
f(x) = -(x+2)^2 - 4
The vertex is:
The line of symmetry is:
The maximum/minimum value is:
Graph the function.
Click here to see answer by nycsharkman(136)

Question 132229: find the value of r so that the line that passes through each pair of the points has the given slope.
1) (r,2) (5,r), m=0
Click here to see answer by stanbon(57203)

Question 132227: find the value of r so the line that passes through each pair of the points has the given slope.
1) (1,4) (r,5), m= undefined
Click here to see answer by stanbon(57203)

Question 132226: find the value of r so the line that passes through each pair of the points has the given slope.
1) (1,4) (r,5), m= undefined
Click here to see answer by nycsharkman(136)

Question 132249: Use a commutative law to find an equivalent expression.
uv
Hi everyone I am back!! Can someone please help me with this?? I am once again taking an algebra class and not doing to well.
Click here to see answer by jim_thompson5910(28476)

Question 132282: Solve.
7x + x(x-3) = 0
Find the x-intercepts of f(x)= 7x + x(x-3)
a. What are the solutions?
b. What are the x-intercepts?
Please help, I keep getting confused and told I do not have the correct answer.
Click here to see answer by josmiceli(9645)

Question 132286: Can Someone please help me with this.I asked this question before but nonone answered so I did it on my own,but i want to know if its correct.
th difference between 2x^2+4xy-3 and x^2-2xy-4
My answer:x^2+6xy+1,is it correct?
Thank You!
Click here to see answer by edjones(7569)

Question 132263: Evaluate:
14a/b for a=10 and b=2
HELP
Click here to see answer by sofiyacherni(99)

Question 132263: Evaluate:
14a/b for a=10 and b=2
HELP
Click here to see answer by edjones(7569)

Question 132261: Find decimal notation.
22/25
Would this be 0.88??
Click here to see answer by sofiyacherni(99)

Question 132253: What percent of 160 is 56?
Help again please.
Click here to see answer by sofiyacherni(99)

Question 132298: Can You help me solve this,please.
Can you show me how to factor (2x^3y^2+12xy)
Thank YOu!!!
Click here to see answer by jim_thompson5910(28476)

Question 132220: Solve. 7x + x(x-3) = 0
Also, find the x-intercepts of f(x) = 7x + x(x+3)
a. what are the solutions?
b. what are the x-intercepts?
Click here to see answer by edjones(7569)

Question 132319: please help me, this is the last problem i couldnt solve for my assignment.

A FACTORY MEASURING 80m BY 60m IS TO BE SURROUNDED BY A SIDEWALK UNIFORM IN WIDTH. IH THE AREA OF THE FACTORY IS DOUBLED BY EXTENDING ALL SIDES, WHAT IS THE WIDTH OF THE SIDEWALK (ROUND TO THE NEAREST TENTH)?
thank you
Click here to see answer by checkley71(8403)

Question 132250: Divide if possible: -64/8
Help please. Believe it or not I am only asking 4 or 5 questions out of 110. I am terrible at math.
Click here to see answer by josmiceli(9645)

Question 132336: find the slope of the line that passes through each pair of points.
1) (7/3, 4/3)(-1/3, 2/3)
Click here to see answer by nycsharkman(136)

Question 132251: Add:

29+(-42)+510+(-397)+52(-792)
Help me please. I do not understand am i supposed to subtract all the ones in parenthisis then add the rest, then subtract the total parenthisis from the total of the ones not in parenthesis?
Click here to see answer by checkley71(8403)

Question 132179:

the difference between 2x^2+4xy-3 and x^2-2xy-4?
My answer is x^2+6xy+1.
Thanks or your time!
Click here to see answer by checkley71(8403)

Question 132354: Y=(x-4)(x+2) I am having trouble graphing the parabola.
Click here to see answer by stanbon(57203)

Question 132360: 5x+y=1,What does M equal?
Thank for your help!!
Click here to see answer by josmiceli(9645)

Question 132374: Please help me solve this.
Chnage the equation,x-y=4 to the form y=mx+b.
Thank You!!
Click here to see answer by oscargut(891)

Question 132374: Please help me solve this.
Chnage the equation,x-y=4 to the form y=mx+b.
Thank You!!
Click here to see answer by josmiceli(9645)

Question 132419: Determine whether the following equations have a solution or not? Justify your answer.
5x2 + 8x + 7 = 0

Click here to see answer by jim_thompson5910(28476)

Question 132421: Determine whether the following equations have a solution or not? Justify your answer
2x2 + x - 1 = 0

Click here to see answer by jim_thompson5910(28476)

Question 132426: Solve.
6x^4-19x^2+10=0
I tried using the solver and the answer didn't look right to me. Can you show me how to solve so I can understand the steps.
Click here to see answer by checkley71(8403)

Question 132423: Determine whether the following equations have a solution or not? Justify your answer.
4/3x2 - 2x + 3/4 = 0

Click here to see answer by edjones(7569)

Question 132423: Determine whether the following equations have a solution or not? Justify your answer.
4/3x2 - 2x + 3/4 = 0

Click here to see answer by checkley71(8403)

Question 132375:
Please help me solve this.
What is the solution to th system of equations y=2x and y=-x+3?
Thank You for your help!

Click here to see answer by checkley71(8403)

Question 132373:
Please help me solve this equation.
y=3x-4.Where is the point on the line.
Thank YOU!
Click here to see answer by checkley71(8403)

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