2017-18 Grade 8 Math Final Exam Part 1

Simplify

-5a + 3(1 + 3a)

• 2a - 1

• -11 - 9a

• 4a + 3

• 2a - 3

Simplify

-2b + 3(b + 3)

• -4b + 4b²

• b + 9

• 4b

• -b + 6b²

Choose all expressions that are equivalent to

-3x - 15

• -3(x + 5)

• -3(x - 5)

• -(3x + 15)

• 6 - 2(x - 2) - x

• -4(x + 4) + 1 + x

Choose all expressions that are NOT equivalent to

-3a + 9a²

• -3(a - 3a²)

• 3(3a² - a)

• 3a²(3 - a)

• 9(a - a²) + 6a

• (9 • a • a ) - (a + a + a)

Which of the graphs show a function with the Range y ≤ –4?

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• 
• 
• 
• RNone of these

In which of the graphs is 2 not in the Domain of the function graphed?

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• 
• 
• 
• None of these

Simplify

10x

5x²

• 2x

  x²

• 2

  x

• None of these

• 1

  2x

• 2x

Simplify

3n³

6n⁰

• 3n

  6

• 3n³

  6

• 1n³

  2n

• 1n³

  2

• None of these

Simplify

(2x³)⁴

• 8x¹²

• 8x⁷

• 16x¹²

• None of these

• 16x⁷

Simplify

5k – 5(2 – k)

• 19k + 13

• 10k – 10

• 10k – 9

• 19k + 12

• Not Here