Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 332200: 30x-24>6(4x-1)
30x-24>24x-6
Click here to see answer by edjones(8007)

Question 332228: The braking distance (in feet) of a car going V mph is given by v is greater or equal to 0.
how fast would the car have been traveling for a braking distance of 150feet? round to nearest mile per hour.
Click here to see answer by edjones(8007)

Question 332261: What is the vertex of a parabola?
How do you determine the vertex of the parabola?
Demonstrate with an example.
Click here to see answer by jrfrunner(365)

Question 332319: y = x^2 - 2x - 3; find y-intercept and any x-intercepts.
Do I treat as a parabola where I replace x with 0 and solve for y? I have no idea how to approach - thank you for your help.
Click here to see answer by Alan3354(69443)

Question 332342: Can someone help me solve this please?
w^4-18w^2-2=0
What is the solution?

Click here to see answer by Alan3354(69443)

Question 332396: how do you find the product of the roots for this equation:
x^5-7x^2+6x-12=0
Thanks for any help!

Click here to see answer by solver91311(24713)

Question 332405: Hello
If a pro basket ball player has a verticle leap of about 20 inches what is his hang time? Use the hang time function V=48T^2
His hand time is ___seconds
simplify asnwer, type an integer,or decimal round to the nearest tenth
Thank you
Click here to see answer by Alan3354(69443)

Question 332417: Hello, Please help
A: solve 3x^2-5x-7=0
B: find the x-intercept of
F(X)=3x^2-5x-7
what are the soulutions x=
type an exact answers, using radicals as needed. Express complex numbers in terms of i use a comma to separate
Click here to see answer by Alan3354(69443)

Question 332514: how would i find the zeros of the quadratic function y=x^2+4-5=0?
Click here to see answer by Alan3354(69443)

Question 332512: If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?
Click here to see answer by Alan3354(69443)

Question 332538: simplify and do not use negative exponents in the answer
(4x^5y^-6)^3
Click here to see answer by vleith(2983)

Question 332521: How do I find the roots of y=x^2-8x+7 by factoring and also by using the quadratic equation?
Click here to see answer by tutor_paul(519)

Question 332631: Two angles are supplementary if the sum of their measures is 180 degrees the measure of the first angle is 12 degrees less than two times the second angle
what are the two angles
Click here to see answer by benazir.sj@gmail.com(109)

Question 332709: Solve for x:

2x^2 + 3x +5 = 0
Click here to see answer by mananth(16946)

Question 332759: express using positive exponents, then if possible, simplify.
(3/u)^-4
Click here to see answer by AAfter Search(61)

Question 332757: express using negative exponents
1/x^5
Click here to see answer by AAfter Search(61)

Question 332783: college algebra
use an equality and the five step process to solve the problem
translate
reword
carry-out
check
state
dg's plumbing and heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $450 for an emergency call. how long to the nearest hour was the plumber at bill's house?
Click here to see answer by mananth(16946)

Question 332805: write a quadratic equation in the variable x having the given number as solution type the quation in standard form ax^2+bx+c=0 solution is 1, only solution
Click here to see answer by solver91311(24713)

Question 332810: I cannot find a step-by-step guide to show me how to work this equation to get an answer, My examples show to put equation into au^2 + bu + c = 0.
The problem is
w^4 - 12w^2 - 2 = 0
Put into above form it is
u^2 - 12u - 2 = 0
Then I am stuck. Do I use the quadratic formula and how do I change it back to get w's solution after solving for u? Thanks in advance.
Click here to see answer by solver91311(24713)

Question 332896: Find the vertex of the parabola formed by the following quadratic function: y = -x2 + 10x - 1
Click here to see answer by jrfrunner(365)

Question 332832: Open-top box.Thomas is going to make an open-top box by cutting equal squares from the four corners of an 11inch by 14inch sheet of cardboard and folding up the sides.If the area of the base is to be 80 square inches, then What size square should be cut from each corner?
Click here to see answer by ankor@dixie-net.com(22740)

Question 333040: I need to solve these two problems by completing the square but I'm not exactly sure how to do it.
x^2 - 3x - 15 = -5
x^2 - 17x = -10x - 6
Click here to see answer by vksarvepalli(154)

Question 333133: Solve the following quadratic equations: P^2+6p=0
Click here to see answer by vleith(2983)

Question 333135: x= -b +-√b^2-4ac/2a
Solve the following quadratic equations using the quadratic formula.
3x^2-8x=-2
Click here to see answer by checkley77(12844)

Question 333266: Write and equation of the line containing the given point and perpendicular to the given line. (5,-4);9x+7y=4
Click here to see answer by benazir.sj@gmail.com(109)

Question 333372: My work truck has a ramp that is 36'' off the ground. The length of my ramp is 144". How far does my my ramp extend using the Pythagorean Theorem?
Equation is: 36^2 + x^2 = 144 solve for x

This is a question asked by my teacher, any help would be greatly appreciated!
Click here to see answer by solver91311(24713)

Question 333379: (x+3)^2 = (x-1)^2 The statement above is true for which of the following values of x ?
(a) - 1 only (b) - 1 and 3 (c) - 3 and 1 (d) - 3 and 3
(e) - 2√2 and 2√2 (approximately - 2.83 and 2.83)
Click here to see answer by richwmiller(17219)

Question 333384: Please help me solve this equation

x2-2x-13=0
Click here to see answer by solver91311(24713)

Question 333453: Okay so I'm completely stuck on this problem---
A zookeeper has 500ft of fencing and want to build a rectangular fence, give a quadratic equation that relates the area to the length.
So, my question is: How do you do this problem? (Or just the first couple of steps).
Click here to see answer by josmiceli(19441)

Question 333508: The difference of the present ages of two brothers is 4 years,5years ago,if the product of their ages was 96,find their ages.
Click here to see answer by mananth(16946)

Question 333620: i need help to understand how to solve an equation with variables on both sides of the equal sign the problem is -v+5+6v=1+5v+3
Click here to see answer by Alan3354(69443)

Question 333645: Solve (v-4)^2-48=0 where v is a real number. Simplify your answer as much as possible.

Click here to see answer by jim_thompson5910(35256)

Question 333540: Completely factor -24x-112
Click here to see answer by Alan3354(69443)

Question 333672: find the value or values of p in the quadratic equation p^2+13p-30=0
Click here to see answer by jim_thompson5910(35256)

Question 333758: how do I factor 180m^2n - 5n^3?
Click here to see answer by mananth(16946)

Question 333752: Given the equation p = q2 + 5q +2. Find the values of q corresponding to
p = -2.
Click here to see answer by nerdybill(7384)

Question 333752: Given the equation p = q2 + 5q +2. Find the values of q corresponding to
p = -2.
Click here to see answer by mananth(16946)

Question 333764: Use the quadratic formula to solve the equation:
What is the solution set?
x^2-5x=-7
Click here to see answer by stanbon(75887)

Question 333763: 1) What is the value of the discriminant?
11x^2-7x-14=0
2) Does it have two real solutions, two imaginary solutions, or one real solution?
Click here to see answer by stanbon(75887)

Question 333762: Please Help! I need to divide this but I am stuck!
(28b^3+27b^2+26b+53)/(4b+5)
Click here to see answer by stanbon(75887)

Question 333790: An angry construction worker throws his wrench downward from a height of 128 feet with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by S (t) =-16t 2 -32t +128. What is the height of the wrench after 1 second? How long does it take for the wrench to reach the ground?
Click here to see answer by Earlsdon(6294)

Question 334086: Out of a straight line, parabola and hyperbola which equation represents which?
y=x� + 1
y= 2x
y=2
y= 2/x
y=2-x�
y=x
xy=2
xy=-1
I am in great need of assistance and any help if gratefully received.
Click here to see answer by user_dude2008(1862)

Question 334106: multiply and simplify
(1/3 x^4)(2/3 x^3)=
4/36x 8/27x
Click here to see answer by stanbon(75887)

Question 334105: use the five step problem solving process
translate
reword
carry-out
check
state
for a holiday party marcus is making a five layer torte which consist of 5-9 inch diameter cake layers with a cream topping on each layer. he knows that one recipe of cream will cover 60 square inches of cake. how many batches of the topping must he make to complete his torte? (use n=3.14 as an approximate value)
Click here to see answer by stanbon(75887)

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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, 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