2x + 5 = 17
x = 6
Simplify 4x2 + 7 + 2x2 + 3
6x2 + 10
Apply the Distributive Property: 5(x + 3)
5x + 15
In the equation y = mx + b, m is the _____ and b is the _____.
m = slope; b = y-intercept
20 = 8 + 4x
x = 3
Simplify 12x2 − 7 − 10x2 + 4
2x2 - 3
Apply the Distributive Property: -8(a + b − c)
-8a + -8b + 8c OR -8a - 8b + 8c
What is the slope of this linear function? y = 5 + 4x
4
2(x + 9) = 24
x = 3
Simplify −3x2 + 4x2 − 3x + 4x
x2 + x
Apply the Distributive Property: 4(3x2 + 2x − 5)
12x2 + 8x - 20 OR 12x2 + 8x + (-20)
What is the y-intercept of this linear function?
y = 3x - 6
-6
5 = 9 − 2x
x = 2
Simplify −x4 − x4 + 7x + 5x − x + 3
-2x4 + 11x + 3
Apply the Distributive Property: 2x(3x − 5y)
6x2 - 10xy OR 6x2 + (-10xy)
When graphed, will this line be increasing or decreasing on the coordinate grid?
y = -5x + 7
Decreasing
(x/3) - 6 = 4
x = 30
Simplify 2x3 + 5x2 + 10x2 + 20 + x3
3x3 + 15x2 + 20
Factor (apply the Distributive Property in reverse):
6x2 + 9x
3x(2x + 3)
What is the slope of a horizontal line?
Zero