Quiz 3 Review

A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear.  They sell the teddy bears for $12 a piece.  Which equation could be used to find the number of bears t the company has to sell in one day to equal its daily cost?

• 1500 + 8t = 12
• 12 + 8t = 1500
• 1500 + 8t = 12t
• 8t = 12t + 1500

Tags

CCSS.HSA.CED.A.3

Belinda's car needed repairs. The mechanic charged him $140 for the parts and an additional $48 an hour for labor. Write an equation that models this situation.

• y = 140x +48

• y = -48x +140

• y = 48x +140

• y = 48x

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

• c = 2.75b + 4
• c = 2.75b
• c =  4b- 2.75
• c = 2.75b - 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Write an equation in slope-intercept form to represent the situation.

• y = 30x + 100
• y = 20x + 120
• y = 120x + 120
• y = 50x + 100

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the slope between the points (5,7) and (-3,4).

• -3/2
• -3/8
• 3/2
• 3/8

Tags

CCSS.8.EE.B.5

Find the slope between the points (2,5) and (8,6).

• 6
• 4/3
• 1/6
• -1/6

Tags

CCSS.8.EE.B.5

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation represents this situation?

• y=25x
• y=20x+5
• y=5x+20
• y=5x

Tags

CCSS.6.EE.C.9

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

Frank opened a savings account. He already deposited $400. He plans to save $20 each month and his mom will help him out and save $5 each month. Which equation could be used to find A, the total amount in his account after x months?

• y = 400x + 20

• y = 25x + 400

• y = (400+5)x + 20

• y = 25(400x + 5)

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 4.25 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

Tags

CCSS.HSF.LE.B.5