Writing Linear Equations

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

• 5 + 3
• 5x + 3
• 5 + 3x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• 150 + 40
• 40x + 150
• 150x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A holiday meal costs $12.50 a person plus a delivery fee of $30.

• 30 + 12.5x 
• 12.5 + 30
• 12.5 + 30x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Sonia has $40 in her lunch account and pays $2 each day to eat lunch.

• 40 + 2x
• 40 - 2x
• 2 + 40x
• 2 - 40x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Sandra has a $20 itunes gift card and spends $3 each month.

• 3x + 20
• 3 + 20x
• -3x + 20
• -20x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.

• y = 625x + 225
• y = 225x 
• y = 225x + 625
• y =  625

Tags

CCSS.8.EE.B.5

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

• 7x + 20
• 7 + 20x
• 20 + 7

Tags

CCSS.HSA-SSE.A.1A

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2