Solve the following quadratic equation by using square roots: x2 = 4
What is the quadratic formula?
x = -b +- sqrt(b2 - 4ac) /(2a)
Solve the following quadratic equation: x2 + 6x = -8
x = -2 x = -4
The x-values of an equation
Domain
Solve the following quadratic equation by factoring. x2+3x+2 = 0
Solve the following quadratic equation by using square roots: x2 = 121
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
Solve the following quadratic equation: x2 - 6x = -5
x = 1 x = 5
Vertex
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
Solve the following quadratic equation by using square roots: 4x2 = 400
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 20 = 0
Solve the following quadratic equation: x2 - 2x - 24 = 0
x = -4 x = 6
This method is used to multiply polynomials
The Box Method
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
Solve the following quadratic equation by using square roots: x2 -9 = -8
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
Solve the following quadratic equation: x2 + 10x +16 = 0
x = -2 x = -8
The domain for a quadratic equation is always
Solve the following quadratic equation by factoring. 2x2 - 5x - 3 = 0
Solve the following quadratic equation by using square roots: 5x2 + 3 = 128
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
Solve the following quadratic equation: 2x2 - 8x = 10
x = 5 x = -1
Also know as roots, solutions, and zeros in a quadratic equation
X-intercepts