1.   Simplify (4x2y) (2xy2z3)3.
    A. 24x5y7z9 B. 8x5y7z9
    C. 32x5y7z9 D. 32x6y6z9
    Hint

  2.   Simplify . Assume the denominator is not equal to zero.
    A. B.
    C. D.
    Hint

  3.   Express 47.5 × 10-5 in scientific notation.
    A. 4.75 × 10-4 B. 0.475 × 10-3
    C. 475 × 10-6 D. 4.75 × 10-6
    Hint

  4.   Which expression is a binomial?
    A. B. 5x2y + 4x – 6
    C. -3xy D. 5x - 2
    Hint

  5.   What is the degree of 4x5 – 5xy4 + 3xy2 – 1?
    A. 4 B. 3
    C. 5 D. 0
    Hint

  6.   Find the sum (4xy2 – 3x2y – 5xy – 6) + (-5xy2 – 2xy + 3).
    A. -xy2 – 3x2y – 7xy – 3 B. -xy2 – 3x2y – 3xy – 3
    C. 4xy2 – 7xy – 3 D. 4xy2 – 8x2y – 7xy – 3
    Hint

  7.   Solve 4a(a – 4) – 7a = a(4a – 3) + 20.
    A. a = -1 B.
    C. a = -2 D. a = -6
    Hint

  8.   Write an expression for the area of the rectangle shown below.
   
    A. 6xy2 + 4x3y B. 12xy2 + 4x3y
    C. 6xy2 + 7x3y D. 9x2y4 + 12x4y3
    Hint

  9.   Find (x + 3)(x - 5).
    A. x2 - 2x - 15 B. x2 + 8x - 15
    C. x2 - 15 D. x2 + 2x - 15
    Hint

  10.   Find (3a + 4b)2
    A. 9a2 + 16b2
    B. 9a2 + 12ab + 16b2
    C. 9a2 + 24ab + 16b2
    D. 3a2 + 24ab + 4b2
    Hint

  11.   Find (4r + 7s)(4r - 7s)
    A. 16r2 + 49s2 B. 16r2 + 56rs + 49s2
    C. 16r2 - 49s2 D. 16r2 - 56rs + 49s2
    Hint

  12.   Suppose that the base of a triangle is 3xy and its height is also 3xy. What is its area, expressed as a monomial?
    A. B. 6x2y2
    C. D. x4
    Hint

  13.   Simplify .
    A. B.
    C. D.
    Hint

  14.   Express 4.67 × 10-7 in standard notation.
    A. 0.000000467 B. 0.00000467
    C. 46,700,000 D. 0.0000000467
    Hint

  15.   Find (4x2 – 2x – 3) + (–x2 + 7x – 4).
    A. 5x2 + 5x – 7 B. 3x2 + 5x – 7
    C. 3x2 + 5x + 1 D. 5x2 + 5x + 1
    Hint

  16.   Find the area of a triangle with base 2x + 3 and height 3x – 1.
    A. 6x2 + 7x – 3 B. 3x2 + x
    C. x2 + x – 3 D. 5x2 + 7x – 3
    Hint



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