Expressions & Equations
Simplify: 3x+2x3x + 2x3x+2x
5x
Is the relation a function? {(1, 2), (2, 3), (3, 4)}
Yes
Mean of 2, 4, 6, 8, 10
6
Solve: 5x−7=185x - 7 = 185x−7=18
x=5
Identify the slope in y=3x+5y = 3x + 5y=3x+5
3
Median: 3, 7, 8, 5, 10
7
Factor: x2+7x+12
(x+3)(x+4)
What is the y-intercept of y=−2x+4
4
Mode: 1, 2, 2, 3, 4
2
Distribute: 4(2x−5)
8x-20
Does the table represent a linear function?
Yes
Range of 15, 20, 25, 30, 35
20
Solve: 3(x−2)+4=2x+10
x=10
Write a function rule: (1, 3), (2, 6), (3, 9)
y=3x
Probability of losing if win = 1/4
3/4