Writing Equations/Inequalities

A tub has 40 gallons of water in it and starts draining at a rate of 6 gallons per minute. Write a formula for the amount of water left in the tub.

• y = 6x + 40
• y = -6x + 40
• y = 6x - 40
• y = 40x - 6

Tags

CCSS.6.EE.C.9

A mechanic charges a flat fee of $15 and then charges $65 per hour. Write a formula for the total cost of hiring the mechanic.

• y = 15x + 65
• y = 65x + 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

• The daily fee for the moving truck
• The per-mile fee for the moving truck
• How much Charlie paid for the truck
• The number of miles he drove

Tags

CCSS.HSF.LE.B.5

Bob's Plumbing charges $25 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?

• y = 25x + 40

• y = 40x + 25

• y = 25x

• y = 25x - 40

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 - 3x

• y = 5x + 3

• y = 3x +5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation for the line in slope-intercept form.

• y= -1x+3
• y= 4x+3
• y=1/4x+3
• y= -4x+3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

Tags

CCSS.8.EE.B.5

Elena bought an app for $3.00 and spends $1.50 every time she wants to buy an extra bundle of point within the app. Write an equation for the sentence above.

Tags

CCSS.6.EE.C.9

Choose the inequality that best matches the graph.

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Tags

CCSS.HSA.REI.D.12

Choose the inequality that best matches the graph.

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• 
• 
• 

Tags

CCSS.HSA.REI.D.12