construct functions

What is the initial value?

• 12

• 20

• 36

• 44

Tags

CCSS.HSF.LE.B.5

What is the cleaning cost per hour (slope)? (hrs are the x values)

• 8

• 20

• 12

• 28

Tags

CCSS.8.EE.B.5

Write an equation for the line that represents Penelope's distance, y, from soccer practice after x minutes. Use y = mx + b.

• y = -110x + 2480

• y = 110x + 2000

• y = -110x +2040

• y = 5x +1930

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an equation in y = mx + b form for the cost, y, to belong to the gym for x months.

• y = 35x + 40

• y = 40x + 35

• y = 35 x + 70

• y = 75x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an equation in y = mx + b form for the cost, y, to belong to the gym for x months.

• y = 35x + 40

• y = 40x + 35

• y = 35 x + 70

• y = 75x

Write a rule:  A plumber charges $50 for a house call plus $12 per hour for labor.

• y = 50 x + 12
• y = 50 + 12 x
• y = 62 x
• x = 50 + 12y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the meaning of the y-intercept?

• The weight in the bucket increases by 1 pound per pound of sand.
• Before sand is put in the bucket, it weighs 1 pound.
• The starting weight of the sand is 1 pound.
• The weight in the bucket decreases by 1 pound per pound of sand.

Tags

CCSS.HSF.LE.B.5

A gym charges an initial fee plus a monthly charge. Use the table to find the rate of change per month.

• $75 per month

• $55 per month

• $45 per month

• $35 per month

Tags

CCSS.HSF-LE.A.1B

The art club collected $15 per member. The amount of money in the account after dues were collected from 17 members was $300. Assume the relationship is linear. Find and interpret the initial value.

• The art club had $45 to begin with.

• The art club makes $45 per member.

• The art club has $300 to start with.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Mr. Lewis is having the exterior of his house painted. The painters charge $35 per hour plus the cost of materials. After 20 hours of work, Mr. Lewis owes the painters $840. Assume the relationship is linear. Which statement is TRUE?

• The rate of change is $20 per hour.

• The cost of the materials is $840.

• The $35 rate of change represents the total cost to paint the house

• The cost of the materials was $45.