1.   Which graph shows a parabola with exactly one root?
    A. B. A parabola cannot have exactly one root.
    C. D.
    Hint

  2.   Find two numbers whose sum is 1 and whose product is –72.
    A. 8 and –9 B. –8 and –9
    C. –8 and –9 or 8 and 9 D. –8 and 9
    Hint

  3.   Joey is jumping into the pool from the diving board as shown. In the equation, h represents his horizontal distance in feet and v represents his vertical distance in feet. Find the horizontal distance he will travel before hitting water.
   
    A. 2.582 ft B. 1 ft
    C. 3.082 ft D. 6.5 ft
    Hint

  4.   The roots of the quadratic equation x2 – 6x – 16 are __________.
    A. 6 and 16 B. -2 and 8
    C. -6 and -16 D. 2 and –8
    Hint

  5.   Find two numbers whose sum is 15 and whose product is 36.
    A. 5 and 10 B. 3 and 12
    C. 4 and 8 D. 6 and 9
    Hint



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