1.   What is always the final answer to this Think of a Number trick?
Think of a number.Multiply by 2.
Add 4.
Divide by 2.
Add 6.
Subtract the number you started with.
    A. 1 B. 8
    C. 14 D. 3
    Hint

  2.   What is the final answer to this Think of a Number trick?
Think of a number.
Subtract 6.
Multiply by –3.
Subtract 18.
    A. the answer is –1.5 times the number you started with
    B. the answer is –3 times the number you started with
    C. the answer is 3 times the number you started with
    D. the answer is 1.5 times the number you started with
    Hint

  3.   What is the final answer to this Think of a Number trick?
Think of a number.
Multiply by 4.
Subtract 8.
Divide by 2.
Add 4.
    A. the answer is 2 more than the number you started with
    B. the answer is 2 less than the number you started with
    C. the answer is 2 times the number you started with
    D. the answer is –2 times the number you started with
    Hint

  4.   Find the linear equation.
    A. y = 5.2(x – 6) – 2(4 – 3x)
    B. y = x + x2 – 7x + 4.9
    C. y = 7x (x– 1) + 4(9.6 –x)
    D. y = 10(x – 8) + 3x2
    Hint

  5.   Which equation is not the same as the other three?
    A. y + 5x = 3 B. –5x = –y + 3
    C. y – 3 = 5x D. 5xy + 3 = 0
    Hint



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