Unit 3 (Linear Functions) Review

Determine the x-intercept of the equation.

3x - 5y = 30

Determine the y-intercept of the equation.

3x - 5y = 30

What is the slope of the graphed line?

What is the equation of the graphed line?

• y = 3/7x - 3

• y = 7/3x-3

• y = 3/7x + 3

• y = -3x - 3

Calculate the rate of change (unit rate) and give its meaning.

You can walk 9 miles in 3 hours.

• 3 hours/mile

• 3 miles/hour

• 1/3 mile/hour

• 1/3 hour/mile

Calculate the rate of change (unit rate) and give its meaning.

You pay $18.20 for 2 DVDs.

• $9.10 per DVD

• $0.11 per DVD

• Cannot be determined.

• $36.40 per DVD

What is the slope of the line that passes through the points?

(20, 50) and (60, 90)

What is the slope of the line given by the table?

What is the slope of the line?

-5x + y = 6

What is the slope of the line?

2y + 5x = 20