8th Unit 3 Test Review: Linear Relationships

How do you know if an (x,y) ordered pair is a solution of an equation?

• See if they add to equal zero

• Plug into equation to see if TRUE

• Plug into equation to see if FALSE

Is the Point (0,5) a solution to 4x +2y = 20

• Yes

• No

Is the Point (2,6) a solution to 4x +2y = 20

• Yes

• No

Which graph is decreasing?

• a

• b

• c

• d

What graph increases the fastest?

• a

• b

• c

• d

Which line has the highest initial value/y-intercept?

• a

• b

• c

• d

A pizza restaurant charges $6 for delivery and $15 per pizza. What is the total cost if you order 2 pizzas to be delivered?

• $30

• $27

• $42

• $36

What is the slope given the points : (7,3) and (9,7)

• 1/2

• 2

• 3

• 4

What is the slope, rate of change show in the graph?

• 2

• 5

• 10

• 15

Match the following graph to equation

• y = 3

• 
• y = 1x + 2

• 
• x = 3

• 
• y = -2x+1

•