239 Answered Questions for the topic Quadratic Formula

06/10/14

#### Everything Quadratic

In my 8th grade Advanced Algebra class, my group is moving extremely slowly due to constant chattering. I find it frustrating and would like to have the math skills to go into Advanced Geometry...
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06/10/14

#### quadratic formula

Solve the equations using the quadratic formula;
5x2+2x-3=0 and x2+x+3=0
Please help...thank you

05/24/14

#### Need to be shown how to fully do the quadratic formula n^2 - 4n - 1 = 0

n^2 - 4n - 1 = 0
Need to be shown how to fully do the quadratic formula and fully simplify

05/24/14

#### Need to be shown how to fully do the quadratic formula

1. x^2 - 8x = -12 and 2. n^2 - 4n - 1 = 0 Solve using the quadratic formula and simply simplify

05/09/14

#### exact solution help

Find the exact solution simplify as much as possible and show work
5x2+1=4x

04/24/14

#### 5x^2-8x-4=0 solve using quadratic formula

I know the answer is -2/5, 2 but I can not write it out with that number. can you help me see the steps. thank you

04/23/14

#### 3x^2+14x-5=0 solve quadratic fomula

3x^2+14-5=0 I know the answer is 1/3, -5. But I have tryed and cannot get that. pleases show me the steps. i must be missing thank you so much

04/23/14

#### 4x^2-17x-15=0 solve quadratic formula

I know the answer is 5, -3/4 but I am missing something. please help show each step and use quadratic formula. thank you

04/23/14

#### x^2-49=0 solve using quadratic formula

x^2-49=0 I know the answer is 7,-7 but I am not able to get that. please show me the steps so I can see what I am missing thank you

04/06/14

#### How to solve quadratic functions that contain fractions?

What is the best way to solve a quadratic equation that contains fractions? An example is 1/2x - 2x = 3/2

03/31/14

#### math question 2 week 7

What is the quadratic formula?What is it used for?Provide a useful example of a quadratic equation for someone to solve. Show your steps or at least some of your steps in how you derived to your...
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03/03/14

#### use the quadratic formula to solve 3v^2+4v-1=0

can you show me step by step using the quadratic formula to solve 3v^2+4v-1=0. Also how to recheck answer step by step.

02/09/14

#### 6x2+8=20x-8 the 6x is squared

the 6x is squared. I know the answer is 2,4/3 but i am unsure how to write it out. please help. thank you

02/03/14

#### Can you think of one real-world example of when the concept of functions might be useful? Do you think you will ever use functions in your life to solve probl

Can you think of one real-world example of when the concept of functions might be useful? Do you think you will ever use functions in your life to solve problems? If yes, explain how and why; if...
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01/06/14

#### Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

01/05/14

#### Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help!

01/03/14

#### Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class. Thanks for the help!

12/15/13

#### Need help bad

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) I believe the answer is A. My math partner...
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12/15/13

#### I need to check my answer on this practice problem

Solve for x in the equation
x^2 -7x-8=0
A. (-1,-8)
B. (1,-8)
C. (-1,8)
D. (1,8)
I think the answer is C.

12/15/13

#### I need to check my answer for this practice problem.

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)
I believe the answer is A. My math partner...
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12/15/13

#### I need to check my answer for practice problems for up coming final

Select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+5x+7A. (1.20,-0.65)B. (-9,5)C. (-0.56,-0.78)D. (-1.29,0.71)
I believe the answer is D. This is not my final I...
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12/15/13

#### I can not seem to grasp this quadratic formula

Select the values of x that are solutions to the inequality 0>x^2 +5x-2
A. xΕ(-5-√33⁄2,-5+√33⁄2)
B. xΕ[5-√33⁄2,-5+√33/2]
C. xE(-∞,-5-√33/2)∪(-5+√33/2,∞)
D. xE(-∞,-5-√33/2]∪[-5+√33/2,∞)

12/15/13

#### Quadratic Formula

Select the approximate values for x that are solutions to f(x)=0, where f(x)=-6x^2 +7x+8
A. (-0.71,1.88)
B. (-6,7)
C. (-1.17,-1.33)
D. (-0.75,0.88)

12/15/13

#### Quadratic Formula

Select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+5x+7
A. (1.20,-0.65)
B. (-9,5)
C. (-0.56,-0.78)
D. (-1.29,0.71)

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