Linear Functions Review

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Tags

CCSS.8.EE.B.5

Given the equation y = 2x + 5 , where x is the number of homework questions and y is the number of minutes it takes to do all the homework, what does the y-intercept of the line mean in real world context.

• For every homework assignment, it takes 5 more minutes to complete.

• For every homework assignment, it takes 2 more minutes to complete.

• It initially takes 5 minutes to get homework out and start working.

• It initially takes 2 minutes to get homework out and start working.

Tags

CCSS.HSF.LE.B.5

What is the rate of change for this table?

• 1/9

• 9

• 8

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Tags

CCSS.HSF.LE.B.5

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is a linear function?

• Has a constant rate of change (its graph is a straight line)

• Does not have a constant rate of change (its graph is not a straight line

• Has a constant rate of change (its graph is not a straight line)

• Does not have a constant rate of change (its graph is a straight line)

Tags

CCSS.HSF-LE.A.1B

A function that has a constant rate of change

• Linear

• Exponential

• Quadratic

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200

• 150

• 300

• 75

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

Tags

CCSS.8.EE.B.5

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5

• -1/5

• 5

• -5

Tags

CCSS.8.EE.B.5