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M7U6L1_Equations

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    What is an equation?
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  • Find the value of C= xy + x - y +10 if x = 5 and y = -2.
    C = 9
    C = 7
    C = 10
    C = 5
  •  20
  • Write an expression for the phrase "Subtract 3 from n and multiply the result by 5".
    (n-3):5
    5(n-3)
    5(3-n)
    5n-3
  •  25
  • Identify the terms in the following algebraic expression. 5x - 7y + 8
    8
    5x, 7y, 8
    x and y
    5x, -7y, 8
  •  15
  • Write an algebraic expression to represent the perimeter of the rectangle below.
    2x + 5
    2x + 10
    4x + 10
    x(x+5)
  •  15
  • How many variables are there in the algebraic expression below? 4xy - yz + 7x - 8
    5
    4
    3
    2
  •  15
  • The table below shows the number of books each student has. Which expression represents the total number of books owned by three students?
    3x+55
    x+34
    x+35
    x-55
  •  15