Solving Linear Relations Problems

The table displays the charges for cleaning different ares using Alyssa's Carpet Cleaning Service. Use the data from the table to right an equation for how much it would cost y, for x amount of square feet.

• y= 45 x +.05

• y= 55 x +.07

• y= .05 x + 45

• y= .07 x +55

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

• y = 2x + 6
• y = 6x + 2
• y = 2x - 6
• y = 6x - 2

Tags

CCSS.6.EE.C.9

At Joe's Clown Car Rental Agency, renting a car costs $35 plus $0.75 for every mile it is driven. 

• y = x(35 + 0.75)
• y = 35x + 0.75
• y = 0.75x + 35
• y = 0.75(x + 35)

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15
• C =15 (0.20x)
• C = 15 + x + 0.20
• C = 0.20 + 15x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• y = 5 + 3
• y = 5x + 3
• y = 3x + 5
• y = 3x + 5x

Tags

CCSS.6.EE.C.9

Bob has $150 in his savings account and saves $40 per month.

• y = 150 + 40
• y = 40x + 150
• y = 150x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

• y = 8.5 + 25.5
• y = 8.5x + 25.5
• y = 8.5 + 25.5x
• y = 8.5x + 25.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write an expression for the following. Jerry has $20 and makes $7 per hour.

• y = 7x + 20
• y = 7 + 20x
• y = 20 + 7
• y = 20x + 7x

Tags

CCSS.6.EE.C.9

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = 100 - 30x
• y = 100 + 30x
• y = 100x + 30
• y = 100x - 30

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the y-intercept?

• $100
• $35
• $135
• $65

Tags

CCSS.8.EE.B.5