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

  2.   Factor 6a3b5 – 15a2b.
    A. 3a3b(2ab2 - 5) B. 3a2b(2ab4 - 5)
    C. 3(2a3b5 - 5a2b) D. ab(6a2b4 - 15a)
    Hint

  3.   Determine whether the trinomial 9x2 – 60x + 25 is a perfect square trinomial. If so, factor it.
    A. It is prime. B. (3x + 5)(3x + 5)
    C. (3x – 5)(3x – 5) D. (3x – 5)(3x + 5)
    Hint

  4.   Factor 81x2 – 225.
    A. It is prime. B. 9(9x – 5)(9x + 5)
    C. 9(3x – 5)(3x + 5) D. 9(9x – 25)(9x + 25)
    Hint

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



Glencoe
The McGraw-Hill Companies