696 Answered Questions for the topic Quadratic Equations

Quadratic Equations Division Square Root Quadratic Formula

07/13/17

How to solve this quadratic equation with the quadratic formula?
I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28-----------     2  However I'm not too sure what to do next, help?
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07/13/17

How to solve this quadratic equation with the quadratic formula?
I've been having trouble with this problem:   x2 + 2x = 8   So far this is what I got:   -2±√-28-----------      2   However I'm not too sure what to do next, help?
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Expert Answers •2

07/13/17

One, Two, or No Real Solution Problem.
How do I know if this has One, Two, or No Real Solution?   -3x^2 + 5x - 1 = 0    
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Quadratic Equations Exponents Square Root Rounding

07/13/17

Need help with Quadratic Equation that you have to solve with Square Root?
Can someone help me solve this Quadratic Equation by square root? If you could do it step-by-step I would appreciate but if it's too much work then it's okay, just don't bother.3x² + 1 = 58Also for... more
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07/12/17

Need help with solving quadratics with square roots
I need help with these, if someone could explain them step-by-step, I would really appreciate it :) 1. 3x² - 48 = 02. x² = 363. p² - 50 = 0
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Quadratic Equations Math Algebra 1 Area Of Rectangle

06/28/17

If the area of a rectangle is 5l3 + 5l2w - 2lw - 2w2, find its length and width. A = lw
Please explain your reasoning. 
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Quadratic Equations Complex No.

06/23/17

what is a squre root of al 1-i
Question from complex no. and quadratic equations
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Quadratic Equations

06/22/17

The area of a playground is 204 yd. the width of the playground is 5yd longer than its length. Find the length and width of the playground .
It is a word problem pertaining to quadratic equations and functions . I need help 
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Quadratic Equations

06/21/17

This has to be done by using quadratic equations
The length of a rectangle is 8 feet longer then it's width ,which has the same dimension as the side of the square . If the area of the rectangle is equal to 160 square feet more then the area of... more
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Quadratic Equations

06/16/17

If a,b,c are the sides of the triangle ABC such that x²-2(a+b+c)x+3k(ab+bc+ac)=0 has real roots,then range of k???
It's the topic of quadratic equation....
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Quadratic Equations

06/15/17

The length of a rectangle is 5 less than twice the width. determine the width (the shorter side) that gives a total area of 150m2
When determining the width of the rectangle it has to be the shorter side. And find out if what gives you the total of 150m squared 
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Quadratic Equations

05/30/17

How do you solve y^2+3y-4=0 and z^2-3z-10=0 by completing the square?
Step by step
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Quadratic Equations

05/30/17

How do you solve x^2+3x-5=23 and h^2+h=12 by completing the square?
Step by step
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Quadratic Equations

05/24/17

3x1-x2+8=3 and x1+3x2-5=0 solve for x and y?
 formula and sketch each detail of each line
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Quadratic Equations Polynomials

05/22/17

2(x^2)y-3(x^2)+4y=2014
Solve for x and y
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Quadratic Equations

05/21/17

Find b and then solve the equation
3x2+bx+24=0, if one of its roots is 3 3x2+bx+24=0, if one of its roots is 3
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Quadratic Equations

05/21/17

quadratic Equations
One of the roots of the equation 5x2−12x+c=0 is three times as big as the other root. Find the value of c. One of the roots of the equation 5x2−12x+c=0 is three times as big as the other root.... more
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Quadratic Equations Algebra 2

05/21/17

quadratic Equations
Without solving the equation 5x2+13x−6=0 find the sum of the squares of its roots. Without solving the equation 5x2+13x−6=0 find the sum of the squares of its roots.
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Quadratic Equations Quadratic Functions

05/18/17

Quadratic Fraction
If one of the solutions to the equation: x2+3x+1=0, is a, then find 1/(a2+3a+10)
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Quadratic Equations

05/17/17

quadratic Equations
The difference between the roots of the equation 3x^2+bx+10=0 is equal to 4 1/3 . Find b. The difference between the roots of the equation 3x2+bx+10=0 is equal to 4 1 3 . Find b.
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Quadratic Equations

05/17/17

Find b and then solve the equation
2x^2+bx−10=0, if one of its roots is 5 2x2+bx−10=0, if one of its roots is 5
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Quadratic Equations

05/17/17

Roots of the equation
One of the roots of the equation 4x^2+bx+c=0 is 0.5. The other is equal to c. Find the value of b and c. One of the roots of the equation 4x2+bx+c=0 is 0.5. The other is equal to c. Find the value... more
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Quadratic Equations Factoring #algebra #collegemath

05/17/17

The rectangle below has an area of x^2+8x+15 square meters and a width of x+3 meters. What expression represents the length of the rectangle?
can anyone help me with this?
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05/11/17

help with number of real solutions
2x^2-2x+9=0 I don't know what a discriminant is so I do not understand its purpose.
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Quadratic Equations

05/11/17

quadratic Equations
xy x+y if x=5+2 square root of 6 , y=5−2 squareroot of 6 xy x+y  if x=5+2    6 , y=5−2    6
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