1.   Identify the hypothesis in the following algebraic statement:
If 3x + 10 = 13, then x = 1.
    A. 3x + 10 = 13 B. 3x
    C. 3x + 10 D. x = 1
    Hint

  2.   A conditional statement consists of a __________ .
    A. counterexample B. conclusion only
    C. hypothesis and a conclusion D. hypothesis only
    Hint

  3.   Which values of x and y are counterexamples to the given statement?
If xy = an even number, then both x and y are even numbers.
    A. x = 22, y = 20 B. x = 12, y = 4
    C. x = 19, y = 13 D. x = 15, y = 8
    Hint

  4.   Identify the conclusion in the following statement: If 13b + 12 = 77, then b = 5.
    A. 13b + 12 = 17 B. b
    C. 13b + 12 D. b = 5
    Hint

  5.   Which values are a counterexample to the given statement?
If x × y = 0, then x must be 0.
    A. x = 5, y = 0 B. x = 0, y = 1
    C. x = -1, y = 1 D. x = 0, y = 0
    Hint



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