Linear Function Review

Which function is linear?

• y = 2x + 4

• y = 2x² + 4

• y = 2x(4 − 3x)

• xy = 15

Tags

CCSS.8.F.A.3

Is function represented by the table linear or nonlinear?

• linear

• nonlinear

Tags

CCSS.8.F.A.3

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A local parking garage charges $5.00 for the first hour plus $1.50 for each additional hour or part of an hour. Write a relation where x represents the hours, and y represents the cost. Is it a function?

• y = 1.50x + 5
  Function

• y = 5x + 1.50
  Function

• y = 1.50x + 5
   Not a Function

• y = 5x + 1.50
  Not a Function

Tags

CCSS.HSF.IF.A.2

• Function
• Not a Function

• 6

• -6

• 14

• -14

Tags

CCSS.HSF.IF.A.2

• 1

• -1

• 19

• -19

Tags

CCSS.HSF.IF.A.2

• 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