CCSS.Math.Content.8.F.A.1

y = 3/2x + 3

• slope: 5   y-intercept:  3 
• slope: 3/2   y-intercept:  3 
• slope:  4  y-intercept:  3/2
• slope: 1/5   y-intercept:  5 

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CCSS.Math.Content.8.F.A.1

Is the graph pictured a function?

• Yes
• No

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CCSS.Math.Content.8.F.A.1

What is the domain?

• -4 < x ≤ 5
• -4 ≤ x < 5
• -3 < y < 3
• -3 ≤ y ≤ 3

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CCSS.Math.Content.8.F.A.1

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

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CCSS.Math.Content.8.F.A.1

Which of the following relations represents y as a function of x?
I. {(1, 4), (2, 5), (3, 6)}
II. {(1, 4), (2, 4), (3, 4)}
III. {(1, 4), (2, 4), (1, 3)}
IV. {(1, 4), (1, 2), (1, 3)}

• I, II, and III only
• II and IV only
• III and IV only
• I and II only

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CCSS.Math.Content.8.F.A.1

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

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CCSS.Math.Content.8.F.A.1

A relation where every input in matches with exactly one output is called what?

• Relation

• Linear

• Exponential

• Function

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CCSS.Math.Content.8.F.A.1

Identify the vertex of f(x) = 5(x+6)² - 7

• (5,6)

• (0,0)

• (6,-7)

• (-6,-7)

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CCSS.Math.Content.8.F.A.1

A local theater sells admission tickets for $9.00 on Thursday nights. At capacity, the theater holds 100 customers. The function M(n)=9n represents the amount of money the theater takes in on Thursday nights, where n is the number of customers. What is the domain of M(n) in this context?

• all whole numbers

• all non- negative rational numbers

• all non-negative integers that are multiples of 9

• all non-negative integers less than or equal to 100

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CCSS.Math.Content.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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CCSS.Math.Content.8.F.A.1