Factoring
Use the Zero Product Property to solve the following quadratic equation. (x - 7)(x + 2) = 0
x = 7 x = -2
Solve the following quadratic equation by using square roots: x2 = 4
Solve the following quadratic equation by completing the square: x2 + 6x = -8
x = -2 x = -4
What is the quadratic formula?
x = -b +- sqrt(b2 - 4ac) /(2a)
Find the vertex of f(x)=-x2+8x-15
(4,1)
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2 x = -1
Solve the following quadratic equation by using square roots: x2 = 121
x=11 x=-11
Solve the following quadratic equation by completing the square: x2 - 6x = -5
x = 1 x = 5
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1 x = -5
Find the vertex of f(x)=x2-2x
(1,-1)
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
x = 5 x = 1
Solve the following quadratic equation by using square roots: 4x2 = 400
Solve the following quadratic equation by completing the square: x2 - 2x - 24 = 0
x = -4 x = 6
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 20 = 0
x = 5 x = 4
Find the vertex of f(x)=5x2+2x-2
(-1/5,-11/5)
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
x = 9 x = -3
Solve the following quadratic equation by using square roots: x2 -9 = -8
x=1 x=-1
Solve the following quadratic equation by completing the square: x2 + 10x +16 = 0
x = -2 x = -8
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
x = -1/2 x = -4
f(x)=-x2-4x
(-2,4)
Solve the following quadratic equation by factoring. 2x2 - 5x - 3 = 0
x = -1/2 x = 3
Solve the following quadratic equation by using square roots: 5x2 + 3 = 128
Solve the following quadratic equation by completing the square: 2x2 - 8x = 10
x = 5 x = -1
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
x = 5 x = -3/4
Find the vertex of x=5y2+4y+3
(-2/5,11/5)