239 Answered Questions for the topic Quadratic Formula

12/15/13

#### quadratic formula

Select the approximate values of x that are solutions to f(x) = 0, where f(x)=-8x^2 +9x+5.
A. (-1.60,1.80)
B. (-8,9)
C. (-1.13,-0.63)
D. (-0.41,1.53)

11/03/13

#### 9x^2-6x+1=0

Find the value of the discriminant
describe the number and types of roots
find the exact solutions bybusing the quadratic formula

10/12/13

#### Use the quadratic formal to solve the equation

Use the quadratic formal to solve the equation (show all work)
(m-4)(3m-10)=3(m-2)+18

02/28/13

#### What is f(x)?

I dont understand how to solve quadratic functions. I'm supposed to solve f(x)-x^2+2x-3 by completing the square but whenever I try to search how to do these kind of problems, I never see a...
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02/26/13

#### Quadratic Equation Help

I'm solving a quadratic equation which is 2x^2-x-10=0 and I know that a=2 b=-1 and c=-10 ans with the problem put it into the formula which is -(-10 +- √ -1^2-4(2)(-10) and when I get my answer I...
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01/24/13

#### i have been working on...x^2 +5x +8 =4 for a test review and can't solve the problem. Any help would be great...thx

x2 + 5x + 8 = 4

01/13/13

#### Solve the quadratic formula when a=5, b=12, and c=3 and also solve it with a=3, b=-5, and c=-9

I'm trying to solve the quadratic formula with these numbers, but my answers always ended up not being whole numbers. Can you solve it for me and tell me what you get?

12/12/12

#### How do you factor an equation like ax^2+bx+c if the a is negative and there is no c?

I know how to graph these kinds of equations with parabolas but cannot figure out how to find the factored, vertex, and standard forms of these equations.

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