1.   Which of the following trinomials is a perfect square trinomial?
    A. r2 - 6r + 36
    B. 4y2 + 10y + 25
    C. x2 + 16x + 16
    D. 9a2 - 12a + 4
    Hint

  2.   Factor x2 – 8x + 16.
    A. (x + 4)(x – 4) B. (x - 4)2
    C. (x - 8)2 D. (x + 4)2
    Hint

  3.   Factor x2 - y4
    A. (x - y2)(x - y2) B. (x - y2)(x + y2)
    C. (x + y2)(x + y)(xy) D. (x + y)(xy)
    Hint

  4.   Solve the equation x2 x + = 0.
    A. B.
    C. D.
    Hint

  5.   Solve the following: y2 + 6y + 9 = 49.
    A. {–10, 4} B. {10, –4}
    C. {7} D. {7, –7}
    Hint



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