Writing and interpreting linear functions

Write an equation for the word problem: 
When a panda was born, it weighed 2 pounds. This panda gains 1 pound a week. 

• y = x + 2
• y = 2x + 1
• y = x
• y = 2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The price p of a club’s membership is $30 for an enrollment fee and $12 per week w
to be a member.

Write an equation that represents the given scenario.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plant is 5cm tall and growing at a rate of 3cm every month.

Which equation models this situation?

• y = 5 + 3

• y = 5x + 3

• y = 3x + 5

• y = 3x + 5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

At Midtown Bowling Center, the cost to rent shoes is $2.50. This is an up-front one-time-only cost.

The cost to bowl is $5.00 for each game.

What is the equation for this relationship?

• y=2.5x+5

• y=5x+2.5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which two are equivalent? SELECT TWO!!!!

• 10 fewer than k

• 10 - k

• the difference of 10 and k

• k minus 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What type of function is this equation:
y= -3x + 12

• Linear
• Exponential
• Neither

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A store sells shirts for $15 each. If a customer buys 5 shirts, how much will they spend in total?

• $10

• $50

• $100

• $75

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Put the equation 20 = 10x + 2y

in function form.

• y = -5x + 10

• y = 5x − 10

• y = 10x − 5

• y = 10x + 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Challenge:
Write an equation that represents the relationship between the two variables.
You open a bank account and deposit $10.00.  Every Month you deposit $25.00.  Let T represent the total money in your account after m months

• T = 35m
• T = 35 +10m
• T = 10 + 25m
• T = 25 + 10m

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation that represents this word problem:

Quinn's car is filled up with 14 gallons of gas. She uses 2 gallons of gas every hour.

• y= 14x - 2

• y= -2x - 14

• y= 2x - 14

• y= 14 - 2x

• Answer Not Here

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2