Week 36 OL Mastery Check

Dr. Davis has high-fived 34 students, and he high-fives 6 more students per hour.

Which equation represents the total number of high-fives (y) after x minutes?

• y = 6x + 34x

• y = 34 + 6x

• y = 34x + 6

• y = 6 + 34x

What is the rate of change for this graph?

(Each square represents 1 unit)

• $\frac{2}{1}$ = 2

• $-\frac{2}{1}$ = -2

• $\frac{1}{2}$

• $-\frac{1}{2}$

What is the y-intercept of this graph?


(Each square represents 1 unit)

•  $-\frac{1}{2}$ 
  

•   $\frac{1}{2}$  

• 0

• 2

What is the rate of change for this graph?

• 
  

   $\frac{5}{2}$ 

•  $-\frac{5}{2}$  

•  $\frac{2}{5}$  

•   $-\frac{2}{5}$  

What is the y-intercept of this graph?

• 5/2

• -5/2

• 0.3

• -1

What is the rate of change for this table?

•  $\frac{1}{1}$  = 1

•  $\frac{1}{2}$  

•  $\frac{2}{1}$  = 2

•  $\frac{4}{1}$  = 4

What is the y-intercept of this table?

• 0

• 2

• 8

• 10

What is the rate of change for this table?

• x 11

•  $\frac{15}{0}$  

• $$\frac{1}{75}

•  $\frac{75}{1}$  = 75

What is the y-intercept for this table?

• 0

• 11

• 15

• 465

Which of the following best represents this linear relationship?

(Find rate of change/y-intercept, then put into y=mx+b form)

• y = 2x - 2

• y = -2x + 2

• y = -2x + 4

• y = 2x + 4