Writing linear equations and HOY/VUX

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

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 of the following situations could be descried by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.
• A plumber charges $25 for a house call and $120 per hour.
• A teacher has 120 students. Her third period has 25 students
• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

Tags

CCSS.HSF.LE.B.5

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.

y=3x+10

What is the y-intercept of the graph of this equation ?

• $10

• $3

• $100

• $30

Tags

CCSS.HSF.LE.B.5

Vertical or horizontal?
x = 4

• vertical 
• horizontal
• neither

Tags

CCSS.8.EE.B.6

Vertical or horizontal?
x = -3

• vertical 
• horizontal
• neither

Tags

CCSS.HSA.REI.D.10

Vertical or horizontal?
y = 10

• vertical 
• horizontal
• neither

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

Vertical or horizontal?
y = -3

• vertical 
• horizontal
• neither

Tags

CCSS.5.G.A.2

Vertical or horizontal?
Slope of 0

• vertical
• horizontal
• neither

Tags

CCSS.8.EE.B.5

Vertical or horizontal?
Undefined slope

• vertical
• horizontal
• neither

Tags

CCSS.8.EE.B.5