Solving by Factoring
Solve the following quadratic equation. (x - 7)(x + 2) = 0
x = 7, x = -2
Simplify 3x2 + 4x - 5 + 6x
3x2 + 10x - 5
What is the slope of the line y = -3x + 5
-3
Solve 5x + 3 = 23
x = 4
Find the perimeter of the rectangle with a length of 9 inches and a width of 12 inches.
42 inches
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2, x = -1
Simplify 5x(2x - 6)
10x2 - 30x
What is the y-intercept of the line y = 4x + 9?
(0, 9)
Solve 4x + 9 = 30 - 3x
x = 3
Evaluate (-3)2 + 4(2) - 10
(No calculator!)
7
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
x = 5 x = 1
Simplify (x - 2)(x + 6)
x2 + 4x - 12
What is the slope of the line y = 8?
0
7x + 9 + 4x - 3 = 28
x = 2
Multiply 2/3 * 1/4
1/6
Solve the following quadratic equation by factoring. 2x2 - 5x - 3 = 0
x = -1/2 x = 3
Simplify 7x - 2x2 + 6x2 - x + 8
4x2 + 6x + 8
Is the graph of x = 2 a vertical or horizontal line?
vertical
Solve 5x + 8 = 3x + 2
x = -3
Simplify the fraction 10/15
1/3
Solve the following quadratic equation by factoring. 6x2 - 13x = -6
x = 2/3, x = 3/2
Simplify (6x2 - 1)(x + 3)
6x3 + 18x2 - x - 3
What is the slope of the line y = -x?
-1
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
Add 3/10 + 2/5
7/10