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. 14 B. 8
    C. 1 D. 3
    Hint

  2.   Using n, find the expression for 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.
    B.
    C.
    D.
    Hint

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

  4.   Which equation is not linear?
    A. y = –2(–8 – x) – 5x (x – 1)
    B. 5x – 2y = 4.1
    C.
    D. –3y + x – 16 + 2.9x= 0
    Hint

  5.   Which equation is not the same as the other three?
    A. 6 + 2y = x B.
    C. D.
    Hint



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