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Ch 7 Review Linear Equations

Quiz by Marie Scaglione

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12 questions
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  • Q1
    1. Find 6(−3)
    9
    18
    -18
    -9
    300s
  • Q2
    2. Find (−2)(−8)
    10
    -10
    -16
    16
    300s
  • Q3
    3. Use the Distributive Property to write the expression as an equivalent numeric expression. Then evaluate the expression. 3.5(8 − 2)
    3.5 · 8 − 3.5 · 2; 21
    3.5 · 6; 21
    3.5 · 8 −2; 26
    3.5 · 8 + 3.5 · 2; 35
    300s
  • Q4
    4. Identify the coefficients and constants in the expression. 2x − y + 5x
    coefficients: 2 and 5 constants: 1
    coefficients: 2, –1, 5 constants: none
    coefficients: 2, 1, 5 constants: none
    coefficients: 2 and 5 constants: –1
    300s
  • Q5
    5. Simplify 6c − 2d + 9d + 10c
    15c + 8d
    16c − 11d
    4c + 19d
    16c + 7d
    300s
  • Q6
    6. Find the sum (5x − 2) + (x + 8)
    6x − 16
    6x + 6
    6x + 10
    6x - 6
    300s
  • Q7
    7. Find the sum (6x + 4) + (−3x + 1)
    −3x + 5
    9x + 5
    3x + 4
    3x + 5
    300s
  • Q8
    8. Find the difference (−6x − 2) − (3x + 8)
    -9x - 10
    −9x + 6
    −9x − 6
    −3x − 10
    300s
  • Q9
    9. The expression (8x + 4) inches represents the perimeter of a rectangle whose width is (3x − 4) inches. Find the length of the rectangle if x = 2.
    8 in.
    7 in.
    9 in.
    10 in.
    300s
  • Q10
    10. Find the GCF 18a, 24ab
    6a
    6ab
    18a
    12a
    300s
  • Q11
    11. Find the GCF 10rs, 35rst
    5r
    10rs
    5rst
    5rs
    300s
  • Q12
    12. Simplify -2(x -10)
    8x
    -2x - 10
    12x
    -2x + 10
    30s

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