Writing Equations in y=mx+b

Allison works as a baby-sitter and makes $4.00 an hour. So far, she has earned $32.00 from her baby-sitting jobs. If she continues to baby-sit, which equation represents the relationship between her total earnings (y) and the number of additional hours she baby-sits (x)?

• A. y = 32x + 4
• B. y = 32 + x + 4
• C. y = (32)(4)(x)
• D. y = 4x + 32

Tags

CCSS.6.EE.C.9

What is the slope of the equation?
y = -3x + 4

• -3
• 4
• -4
• 3

Tags

CCSS.HSS.ID.C.7

What is the slope of the equation?
y = -3x + 4

• -3
• 4
• -4
• 3

How much does it cost to have your lawn mowed for 2 hours?

• $16
• $17
• $18
• $19

Tags

CCSS.HSF.LE.B.5

Write the equation in slope-intercept form (solve for y):
-3y + 5x = 12

• y = -4 + 5x
• y = -4 + 5/3x
• y = 4 - 5/3x
• y = 12 + 5x

Which graph shows a proportional relationship between x and y?

• A
• B
• C
• D

Write an equation for this relationship.

• y=4x
• y=1/8x
• y=1/4x
• y=8x

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Find the unit rate.
Julio walks 3.5 miles in 1.25 hours

• 2.5 miles per hour
• 3.25 miles per hour
• 3 miles per hour
• 2.8 miles per hour

Jordyn bought 4 gallons of gasoline and it cost $16.80. What is the price per gallon?

• $67.20 per gallon
• I have no clue!
• $3.00 per gallon
• $4.20 per gallon

Tags

CCSS.4.MD.A.2