Factoring
x2 - 1 = 0
x = 1, x = -1
Solve the following quadratic equation by factoring: x2 - 4 = 0
x = 2 x = -2
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)
What are three ways you can solve for the x-intercepts?
Completing the Square
Zero Product Property (factoring)
Quadratic Formula
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2, x = -1
Solve the following quadratic equation by factoring:
9x2 - 81 = 0
x = -3, x = 3
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
What number is equivalent to i2 ?
-1
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
x = 5, x = 1
Solve the following quadratic equation by factoring: 4x2 - 400 = 0
x = 10 , x = -10
Solve the following quadratic equation by completing the square: 2x2 - 4x = 48
x = -4 x = 6
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 6 = 0
x = (9 +/- sqrt 57) / 2
Name three topics on next week's final
Solving quadratics, graphing quadratics, properties of exponents, trigonometry, probability, factoring.
Solve the following quadratic equation by factoring. x2 - 3x = 0
x = 0, x = 3
Solve the following quadratic equation by factoring: x2 - 9x = 8
x=-8 or x=-1
Solve the following quadratic equation by completing the square: x2 + 10x +5 = 0
x = -5 +/- 2sqr5
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
x = -1/2 x = -4
What is the standard form of a quadratic equation?
ax2 + bx + c = 0
Solve the following quadratic equation by factoring.
5x2 + 20x + 15= 0
x = -1 and x = -3
Solve the following quadratic equation by factoring: 5x2 -125 = 0
x = 5 , x = -5
Solve the following quadratic equation by completing the square (nearest tenth):
x2 - 8x + 13 = 0
x = 5.7, x = 2.3
Solve the following quadratic equation by using the quadratic formula (nearest tenth):
4x2 - 17x =-12
x = 3.4, x = .9
How do you write a quadratic equation in general graphing form?
y = (x - h)2 + k