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

Write the equation that represents the table below:

• y=1/2(4)^x
• y=2(4)^x
• y=4(2)^x
• y=4(1/2)^x

Tags

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

The cost of a hamburger (h) with different numbers of toppings (t) is represented by h = 3.55 + 0.40t.  What does the 3.55 mean in the context of the problem?

• The cost will increase by $3.55 per topping
• The cost will be $3.95 for a hamburger with no toppings.
• The cost will be $3.55 no matter how many toppings you put on.
• The cost of the burger with no toppings will be $3.55. 

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

What type of slope?

• negative
• positive
• zero slope
• downward slope

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

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

Tags

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

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

Tags

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

A __________ is a comparison of two quantities.

• transformation
• scale
• ratio
• graph

Tags

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

In the equation, y = mx + b, the letter b is the ___________.

• y-intercept
• x-intercept
• slope
• rate of change

Tags

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

Evan is going to the 50th state fair this weekend. It costs $10 to enter and each ride is $2. Create a linear function that could be used to determine how many "x" rides Evan can go on.

What does the variable "y" represent?

• the number of rides he goes on

• the total cost of going to the fair

Tags

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

The cost of buying gasoline is directly proportional to the number of gallons purchased. If 12 gallons cost $31.08, how many gallons can be purchased for $38.85?

• 25

• 16

• 15

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

What is point-slope form?

• y = mx + b

• Ax + By = C

• A² + B² = C²

• y = m(x - x₁) + y₁

Tags

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