696 Answered Questions for the topic Quadratic Equations

Quadratic Equations

06/24/16

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -2x^2 + 4x + 3. A. {-0.67, 1.33} B. {-2, 4} C. {-2.00, -1.50} D. {-0.58, 2.58}
Having trouble with this question. Please show me how to work it out. I have 4 more like this.
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Quadratic Equations

06/16/16

x2=16,t2=81,r2-100=0,x2-144=0,2s2=50
I CANT SOLVE TEATCHER DIDNT LECTURE THIS PLEASE HELP ME
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Quadratic Equations

06/16/16

Graph y=0.5x^2+2 find the domain and range
please help
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Quadratic Equations

06/13/16

What is the coefficient of x in the equation 2x^4 + x^3 - 5x - 7
pLEASE WALK ME THRU THE STEPS
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Quadratic Equations Inequalities

06/10/16

3x^2+3x+k=0, find value(s) for no solution.
find values for no solution and write answer as an inequality 3x^2+3x+k=0
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Quadratic Equations Algebra 2

06/06/16

construct a quadratic equation
construct a quadratic equation for which -3 and 5 are solutions. 
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Quadratic Equations

06/02/16

Add 3 / (x2 - x - 30) + x / (2x2 + 7x - 4)
the x is squared in (x2-x-30) and the 2x is squared in (2x2+ 7x -4)
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Quadratic Equations Functions Relations

05/29/16

Functions ..... pls do help.... questions are in the description
1)-Let f(x)=|x^2-9|-|x-a|. Then the number of integers in the range of a do that f(x)=0 has 4 distinct real root is k . Then find the sum of the digit of K. Ans-8 2)-Find the sum of all integral... more
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Quadratic Equations

05/26/16

construct a quadratic equation that has -400 and 70 as its solutions. Also, Construct a quadratic equation that only has 70 as its solution
1. construct a quadratic equation that has -400 and 70 as its solutions.2. Construct a quadratic equation that only has 70 as its solution
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05/26/16

NEED Help Fast. I really cannot do it
I am having trouble with a question on one of my assignments. So I have to find the Minimum Height to hold a capacity of 93.75L. (Volume) All I know is the length is going to be 15 metres. I need... more
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Quadratic Equations

05/09/16

a triangle has an area of 36 sqaure feet. what are its height and base?
the height is 6 feet more than the base 
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Quadratic Equations

05/08/16

Word Problem
A batter hits a baseball in such a way that its path is described by the parabolic function: y = − 0.00126875x2 + 0.5x + 3. A fence of varying height surrounds the baseball ?eld. Given the... more
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Quadratic Equations

05/08/16

Quadratic help please.
Write the function of the form y = ax^2 + bx + c whose graph passes through the three given points: (1, 2), (0, 4), (–1, 4).
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Quadratic Equations

05/07/16

Find the x-intercepts.
Find the x-intercepts of the graph of: y= 2x2 - 18x - 6.
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Quadratic Equations

05/05/16

Find the quadratic equation whose roots are v4 and -v4.
 I  NEED HELP
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Quadratic Equations

05/05/16

Find the quadratic equation whose roots are v4 and -v4.
need help
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Quadratic Equations Word Problem

05/04/16

Quadratic Word problem
There is a swimming pool, there are 1m^2 tiles surrounding it, how many tiles will it take up to fill up the spaces if the side length of the square swimming pull is 8m?
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05/03/16

Use the quadratic formula to solve : 0.7x^2-4.2x-0.7=0
Use the quadratic formula to solve : 0.7x2-4.2x-0.7=0 The solution set is {_}
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Quadratic Equations

04/29/16

A table is rectangular and its length is twice its width. Find the dimensions of the table if it occupies 72 ft2 of floor space.
 What is the width and length of table
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Quadratic Equations

04/27/16

Determine the values of A, H ,K that will allow a parabola other then y=x(2) to lie in only two quadrants
determine a parobla that will only lie in 2 quadrants other then y=x2
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Quadratic Equations Quadratic Formula Discriminant

04/26/16

The length is 15ft longer than the width and enclosed an area covering 1350 square feet. What are the dimensions of the dog's play area?
The manager of a park enclosed an area for small dogs to play. He made the length 15ft longer than the width and enclosed an area covering 1350 square feet. What are the dimensions of the dog's... more
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Quadratic Equations Quadratic Formula Discriminant

04/26/16

Will a baseball hit straight up with this velocity hit the roof of the Astrodome? Use the discriminant to explain your answer.
In the past, professional baseball was played at the Astrodome in Houston, Texas. The Astrodome has a maximum height of 63.4m. The height of a baseball t seconds after it is hit straight up in the... more
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Quadratic Equations

04/26/16

Solve the Equation 6x=9+x^2 Please.
I don't even know what would be the first step. 
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Quadratic Equations

04/24/16

Completing the square
X2+5x-5=0
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Quadratic Equations

04/21/16

A rectangle has an area of 12 square inches, and the rectangle's length is 11 inches greater than its width. what is the length and width?
i need to know the length and width 
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