Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 102584: Solve. 5(x-2)^2=3
a. 1/5 19/5
b. 10+-square root15over 5
c. 10+-square root3 over 5
d. +- 59 over 25
Click here to see answer by jim_thompson5910(28593)

Question 102584: Solve. 5(x-2)^2=3
a. 1/5 19/5
b. 10+-square root15over 5
c. 10+-square root3 over 5
d. +- 59 over 25
Click here to see answer by edjones(7569)

Question 102538: find the x-intercepts
y=x^2+5x+2
Click here to see answer by jim_thompson5910(28593)

Question 102544: solve by using the quadratic formula?
5x^2+5x=3

Click here to see answer by jim_thompson5910(28593)

Question 102545: I am having a hard time with this one.
9x^2=14
Click here to see answer by jim_thompson5910(28593)

Question 102539: is the following trinomial a perfect square?
x^2+18x+81
Click here to see answer by bucky(2189)

Question 102753: 3x2 -15x + 12 =
Click here to see answer by jim_thompson5910(28593)

Question 102531: I am having major problems with this
(x+5)^2=3
Click here to see answer by ankor@dixie-net.com(15649)

Question 102791: 24x²-2x=15 solve the equation by factoring and quadratic formula
Click here to see answer by jim_thompson5910(28593)

Question 102809: Tutor,
Could you help me with these two problems?
Solve the following quadratic equation by factoring or by any other method you choose.
(x-1)^2 = 7
and
4x^2 - 8x + 3 = 5
Thank you for your help with these problems.
Click here to see answer by scott8148(6628)

Question 102876: Tutor,
I was hoping you could help me with this problem. I can not seem to get it to check out and I am not sure where I am making the mistake.
Solve for X
x^2 + 4x + 4 = 7
I know I have the factor the left-hand side but I must be doing something wrong because it is not working out for me. Any help would be great. Thank you in advance for your time.

Click here to see answer by rapaljer(4667)

Question 102961: Suuppose that Wendy rides her bicycle 30 miles in the same time that it takes kim to ride her bicycle 20 miles. IF wendy rides 5 miles per hour faster than kim, find the rate of each.
Click here to see answer by ankor@dixie-net.com(15649)

Question 103033: 0=xx(squared)-50x+175 ????? I tried to use the quadratic formula, but it became a imaginary number, and I need to have a positive number.
thanks
-tiproggrammer
Click here to see answer by stanbon(57337)

Question 103012: A bullet is fired vertically into the air with an initial velocity of 1200 feet per second. Its height h, in feet after t seconds is given by the formula h=1200t-16t^2.
Please answer this question, nobody else has, or at least hasn't correctly, thank you, your help is appreciated.
Click here to see answer by stanbon(57337)

Question 103060: Hello Tutor,
I was hoping you could help me with this problem.
Solve the following quadratic equation by completeing the square:
2x^2 + 10x + 11 = 0
Any help this evening on this problem would be appreciated. Thank you.
Click here to see answer by stanbon(57337)

Question 103071: I am totally stumped at the end and need some help.
16x^4 - 40x^2 + 9
I have: (4x^2 -1) (4x^2 -9) and now I'm lost. Can someone help me to factor this completely where I can understand. Thank you.
Click here to see answer by Earlsdon(6287)

Question 103011: A bullet is fired vertically into the air with an initial velocity of 1200 feet per second. Its height h, in feet after t seconds is given by the formula h=1200t-16t^2.
Please answer this question, nobody else has, or at least hasn't correctly, thank you, your help is appreciated.
Click here to see answer by scott8148(6628)

Question 103083: Good Evening Tutor,
I am having a hard time with this problem and was hoping to get a bit of explanation to help me out.
Solve the following quadratic equation by factoring or any other technique acceptable.
x^2 - 9x - 4 = 6
Any help on this problem is appreciated. Thank you for your help.
Click here to see answer by oberobic(2304)

Question 103105: Can you please help with this one?
(16 - x2)/
(x3 - 2x2 - 8x)
So far I have:
(4-x)(4+x) over
x(x+2)(x-4)
Do this look right and is it as far as I can go?
Click here to see answer by edjones(7569)

Question 102942: x^2 - x/ x^2 + 3x + 2 / x^2-1/x^2+2X
Click here to see answer by ankor@dixie-net.com(15649)

Question 103175: x^2-4x+12=0
Click here to see answer by Fombitz(13828)

Question 103202: How do you solve

Click here to see answer by edjones(7569)

Question 103202: How do you solve

Click here to see answer by checkley75(3666)

Question 103201: How do you solve

Click here to see answer by Math Wizard(1)

Question 103252: I was hoping that you could help me solve this quadratic problem using the quadratic formula.
2x^2 - 5x = 3
Any help on this problem would be helpful to me as I am not understanding these problems very well. Thank you in advance for your help.
Click here to see answer by stanbon(57337)

Question 103336: Hello Tutors, I need some serious help here, as This quadriatic form stuff is confusing me to no end. Can someone please help me with this problem?
Write the equation in quadratic form and solve it by factoring.
x^2 + 8(x + 2) = 0
Thank You Tutors for your help. I Greatly Appreciate it!
Click here to see answer by JP(22)

Question 103349: Can someone offer some help?
12-x-x^2 / 5x^2+30x+40
Click here to see answer by HyperBrain(694)

Question 103354: I have a word problem. If you deposit money today into an account that pays 6.5 percent interest, how long will it take for you to double your money?
Please help me with the word problem.
thanks
Click here to see answer by HyperBrain(694)

Question 103350: I'm really stuck on this one and need help.
15x^2+10x / 2x^2-13x +20 times 2x^2-3x-5 / 30x^3 + 20x^2
Thanks.
Click here to see answer by elima(1433)

Question 103417: I have these two quadratic equations that I have to solve.

and

I know how to factor and I'm aware of the zero product property...but I'm not sure that regular factoring is the right way to solve this problem. Can you help me out, please?
Click here to see answer by stanbon(57337)

Question 103489: Can someone offer some assistance to a 49 year old algebra student?
([2a^2b]/[3x^2y])^3 times ([-6xy^2]/[a^3b])^2
Click here to see answer by stanbon(57337)

Question 103555: 0.478
using scientific notation
Click here to see answer by stanbon(57337)

Question 103518: Please help me with this problem.
Your parents are planning to retire in 18 years. They currently have $250,,000, and they would like to have $1,000,000 when they retire. What annual rate of interest would they have to earn on their $250,000 in order to reach their goal, assuming they save no more money?
Someone please help me out, I am confused on this question.
Thanks
Steve
Click here to see answer by stanbon(57337)

Question 103571: Can someone please help me with this one.
Evaluate. 3^–5
A) –15
B) –243
C) 1/243
D) -1/243

Click here to see answer by edjones(7569)

Question 103569: I dont even know where to start
Find the value of the polynomial x3 – 4x when x = –2.
A) –2
B) 0
C) 2
D) 14

Click here to see answer by edjones(7569)

Question 103567: I dont understand this one!!!
Give the degree. 6x
A) 0
B) 1
C) 6

Click here to see answer by edjones(7569)

Question 103565: I need help with this one
(m^4)^3(m^2)^9 over,
(m^3)^2

A) m^5
B) m^3
C) m^24
D) m^13

Click here to see answer by edjones(7569)

Question 103581: Please help me solve this equation. –9(x – 3)^2 = –7
Click here to see answer by edjones(7569)

Question 103587: Is the following trinomial a perfect square?
x^2 + 2x – 1

Click here to see answer by edjones(7569)

Question 103577: Solve by completing the square.
4x^2 + 2x – 3 = 0

Click here to see answer by edjones(7569)

Question 103588: Solve by using the quadratic formula. x^2 – 9x + 20 = 0
Click here to see answer by jim_thompson5910(28593)

Question 103589: Find the x-intercepts.
y = x^2 – 2x – 8

Click here to see answer by jim_thompson5910(28593)

Question 103580: Solve by using the quadratic formula. 6x^2 + x + 1 = 0
Click here to see answer by jim_thompson5910(28593)

Question 103594: 18. Graph the quadratic equation after completing the given table of values. y = –x^2 – 2x
x y
–3
–2
–1
0
1

Click here to see answer by edjones(7569)

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