Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 1181060: Given the following information, determine the equation of the quadratic relation. a) compressed by a factor of 12, opens down and has it's vertex at (4,2)
b) stretched by factor of 3 with a minimum value of 5 and the axis of symmetry at X=1
Click here to see answer by greenestamps(13200)  |
Question 1181132: A ball leaves the end of a baseball bat and travels according to the formula h(t) = -16t² + 64t where h is the height of the ball in feet and t is the time in seconds. How many seconds will it take for the ball to reach a height of 64ft in the air?
Click here to see answer by ikleyn(52778)  |
Question 1181245: A book collector bought a first edition of " The Picture of Dorian Grey" by Oscar Wilde at auction for $1500. This book increases in value at a rate of 13% per year.At the same auction, the collector bought a copy of "Pride and Prejudice" by Jane Austen for $1800. This one increases in value at a rate of 9% per year. Create an exponential function for each situation and use the functions to algebraically determine the amount of time it would take for the twobooks to be equal in value.
I appreciate any help :)
Click here to see answer by ikleyn(52778)  |
Question 1181274: Ella throws a hockey puck up at a rate of 20 ft/sec from a height of 5 feet.
How long will it take for the hockey puck to hit her on the head if Ella is 5.5 ft tall?
I solved it and got 0.026 and 1.23 as the answers (rounded), but I don't know which one is the correct answer.
Also I used the equation . a is 32.
Click here to see answer by ikleyn(52778)  |
Question 1181247: The graph of y= f(x) with points A( -8,-1), B ( -6,-4) , and C (4,-4) is transformed to give the image points A'( -6,-3), B' ( -5,6) and C'( 0,6) . Plot the points and determine the equation of the image function in the form
y=af[b(x-c)) +d.
I appreciate any help.
Click here to see answer by greenestamps(13200)  |
Question 1181309: two groups are visiting a museum the first group includes four adults and 20 students they paid $82 for their tickets the second group includes six adults and 22 students and they play $99 for their tickets what is the cost of an adult ticket what is the cost of a student ticket
Click here to see answer by josgarithmetic(39617) |
Question 1181355: The diagram shows a suspension bridge with a center span of 4200 ft. and a tower height of
500 ft. with the lowest part of the suspender 10 ft. above the base of the bridge. Write an
equation to represent the curve of the suspender with h, the tower height from the base of the
bridge, in ft. as a function of d, the horizontal distance from the center of the bridge, in ft.,
assuming that the suspender is symmetrical in shape.
Click here to see answer by greenestamps(13200)  |
Question 1181411: Choose one of the following (circle your choice); determine the equations and solve the problem below.
(Remember to define variables, include a diagram or sketch and interpret your answers in relation to the problem).
A) A farmer is constructing a pig pen and is using his barn wall as one side of the pen. If he has 32 m of fencing and wants to use it all, determine the dimensions that will produce the maximum area of the pen.
Click here to see answer by ikleyn(52778)  |
Question 1181411: Choose one of the following (circle your choice); determine the equations and solve the problem below.
(Remember to define variables, include a diagram or sketch and interpret your answers in relation to the problem).
A) A farmer is constructing a pig pen and is using his barn wall as one side of the pen. If he has 32 m of fencing and wants to use it all, determine the dimensions that will produce the maximum area of the pen.
Click here to see answer by Solver92311(821)  |
Question 1181410: A video tracking device recorded the height, h, in metres, of a baseball after it was hit. The data collected can be modeled by the relation: h = -5(t-2)2 +21, where t is the time seconds after the ball was hit.
a) What was the maximum height of the baseball and when was this height reached?
Click here to see answer by Solver92311(821)  |
Question 1181542: Determine ALL solutions , in radian measure , for the equation:
sin ( 1/2 ( theta - (pi/2)) = - (root3) /2
I know sine is negative in quadrants 3 and 4, but I am having real trouble understanding.
I appreciate any help. Thank you.
Click here to see answer by ikleyn(52778)  |
Question 1181562: A volcano ejected with an initial velocity of 304 feet per second. The height in feet is given by the equation H=-16t^2+ 304t where t is the time in seconds. We will use the equation that traces the path of the projectile to determine the following information:
1) The time it takes the projectile to reach its maximum height (using the vertex formula: t=-b/2a)
2) The maximum height of the projectile (use the result from part 1 to find the maximum height of the projectile)
3) Find the time it takes the projectile to return to the ground. Assume that the projectile starts at height H=0.
Solve by factoring to find the time it takes the projectile to return to the ground.
Show all work and explain all steps
Click here to see answer by ankor@dixie-net.com(22740)  |
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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, 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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, 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