Unit 3 Review - Linear Relationships

What is the equation of a line?

• y=kx

• y=mx+b

• y=mx

• y=x

What is a y-intercept?

• the point where the line crosses the y-axis

• the origin

• a point on the graph

• the point where the line crosses the x-axis

What is a x-intercept?

• the point where the line crosses the y-axis

• the origin

• a point on the graph

• the point where the line crosses the x-axis

What is the variable for slope?

• m

• x

• y

• b

What is the variable for the y-intercept?

• m

• x

• y

• b

What is the variable for slope?

• x

• y

• m

• b

James has $50 in an envelope. He adds $5 each week to the envelope. What is the slope (m) for this situation?

• 50

• 10

• 20

• 5

James has $50 in an envelope. He adds $5 each week to the envelope. What is the y-intercept (b) for this situation?

• 50

• 10

• 20

• 5

James has $50 in an envelope. He adds $5 each week to the envelope. Write an equation to represent this situation.

• y = 5x

• y = 50x

• y = 5x+50

• y = 50x+5

James has $50 in an envelope. He adds $5 each week to the envelope. How much money will he have after 7 weeks?

• $35

• $50

• $75

• $85