CCSS.Math.Content.8.F.B.4

What is the y-intercept of the line y = 4x - 10?

• 4
• -4
• 10
• -10

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CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.8.EE.B.6

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

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CCSS.Math.Content.8.F.B.4

Pat worked 4 hours on Monday and 3 hours on Friday.
If he earned the same hourly rate each day, which expression best represents the situation?

• 7x
• 4x + 3x
• 4 + 3x
• 3 + 4

Tags

CCSS.Math.Content.8.F.B.4

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5

Tags

CCSS.Math.Content.8.F.B.4

Write a equation:  A plumber charges $50 for a house call plus $12 per hour for labor.

• y = 50 x + 12
• y =12 x + 50
• y = 62 x
• x = 50 + 12y

Tags

CCSS.Math.Content.8.F.B.4

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

• y = 3x + 20
• y = 3 + 20x
• y = -3x + 20
• y = -20x + 3

Tags

CCSS.Math.Content.8.F.B.4

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

Tags

CCSS.Math.Content.8.F.B.4

What is the explicit rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1
• a_n = 11 + 2(n-1)
• a_n = 11(2)^n-1
• a_n = a_(n-1) + 11
  a₁ = 11

Tags

CCSS.Math.Content.8.F.B.4

Find the slope from the table.

• -4
• 1
• 4
• -2

Tags

CCSS.Math.Content.8.F.B.4

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y = 8x + 50

• C = 50m +8

• y = 50x + 8

• C = 8m + 50

Tags

CCSS.Math.Content.8.F.B.4

CCSS.Math.Content.HSA.CED.A.2