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

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

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

Which set of ordered pairs represents the relation shown in the graph?

• {(3, -5), (-2, 0), (2, 0), (-1, 1), (3, 5)}
• {(5, -3), (2, 0), (0, -2), (-1, 1), (-3, -5)}
• {(-5, 3), (0, -2), (2, 0), (1, -1), (3, 5)}
• {(-5, 3), (-2, 0), (0, 2), 1, -1), (3, 5)}

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

All of the x values or inputs are called what?

• Domain
• Range

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

The graphs given show the functions f and g.
What is the difference between f and g at x=6?

• 6
• 3
• -2
• 4

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

If f(x)=6x²-4,
what is f(0)?

• -4
• 4
• 0
• 2

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

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

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

Level 4 What is the value of the missing input?

• 25

• 30

• 74

• 26

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

List the ordered pairs

• Input and Output

• (0,12), (2,10), (4,8), (6,6)

• (12,0), (10,2), (8,4), (6,6)

• (6,6)

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

Which set of values is not a function?

• (9,5) (10,5) (4,-5) (8,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (-5, -7) (1, 4)

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

Which have the same value when

a(x)=x²

• a(-2)

• a(0)

• a(2)

• a(4)

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