Patterns, Equations, & Graphs (Reteach)

Patterns, Equations, & Graphs (Reteach)

by Jennifer Phan

​Evaluate the expression to find y & complete the table.

Multiple Choice

$$y=3x+1$$  

What is the value of y when x = 5?

• 11

• 6

• 16

• 19

Multiple Choice

$$y=3x+1$$  

What is the value of y when x = 7?

• 11

• 16

• 25

• 22

Multiple Choice

How much does each y-value increase by when x increases by 1?

• 1

• 2

• 3

• 5

​Evaluate the expression to find y & complete the table.

Multiple Choice

$$y=-4x+5$$  

What is the value of y when x = 2?

• -3

• 7

• 13

• 19

Multiple Choice

$$y=-4x+5$$  

What is the value of y when x = 7?

• -32

• 33

• -23

• 26

Multiple Choice

How much does each y-value decrease by when x increases by 1?

• 1

• 2

• 3

• 4

Multiple Choice

Remember that you can decrease a value by adding the opposite.

What value would you use for  $$a$$  in the equation  $$y=ax+b$$  ?

• The amount of increase

• The amount of increase or decrease. Represent decrease as a negative value.

• The value of y when  $$x=1$$  

• The value of y when  $$x=0$$