What does FOIL stand for?
First
Outside
Inside
Last
True or False: You can common factor this equation (10x² - 7)
FALSE
True or False: You need a subtraction for Difference of Squares
TRUE
What is the Quadratic Formula?
To complete the square, your formula must be in what form?
Standard Form
Solve this equation with FOIL: (x-3)(x+5)
x²+2x-15
Common Factor: (2x²-x)
True or False: this equation is factorable using difference of squares: x²+16
FALSE
Solve this Equation with the Quadratic Formula: x²-4x+4
x=2
Summarize the 5 Steps in Order to Complete the Square
1. Make sure your equation is in standard form
2. Factor out "a"
3. Add and subtract (b/2)2
4. Group the perfect square
5. Factor
Solve the following using the Rainbow method:(x+4x-15)(x+2)
5x²-5x-30
Identify the Greatest Common Factor: 5x2+3x
x
Solve: x2-36
(x+6)(x-6)
Solve: 2x2 + 3x − 20
(Give both answers for X)
x=0.625, -4
Complete the square: x2+x-3.75=0
x= 2.5, 1.5
Solve: (x2-3)2
x4-6x2+9
Determine the missing factor: 5a+10b= (_)(a+2b)
Solve: 4x2-81
(2x+9)(2x-9)
A picture has a height that is 4/3 its width. It is to be enlarged to have an area of 192 square inches. What will be the dimensions of the enlargement?
12x16 inches.
The height of a ball in the air t seconds after it is thrown can be modeled by the function y = -16t2 + 64t + 4, where t and y are measured in feet. What is the maximum height that the ball reaches?
68 feet