1.   If 3.2z - 6 = 1.8 + 11z, what is the value of z?
    A. -2 B. 1
    C. -1 D. 0
    Hint

  2.   In Crestview Middle School, 12 out of 16 students are right handed. If there are 400 students in the school, how many are right handed?
    A. 250 B. 200
    C. 300 D. 350
    Hint

  3.   Find –2 × 5.
    A. –7 B. 3
    C. 10 D. –10
    Hint

  4.   Which equation represents exponential decay?
    A. y = 0.86(1.46)x B. y = 1.7(1.06)x
    C. y = 1.05(0.95)x D. y = 2.62(1.22)x
    Hint

  5.   Simplify (3x3)4.
    A. 81x12 B. 3x7
    C. 12x12 D. 27x7
    Hint

  6.   Using n to represent the number of blocks in each bag, write an algebraic expression for the total number of blocks.
   
    A. 3n + 4 B. 4n + 4
    C. 4n + 3 D. 3n + 3
    Hint

  7.   Janet was filling up a water balloon that had a tiny hole in it. The balloon can hold 12 ounces of water, but the hole leaks water out at 0.5 ounces per minute. How many ounces of water will be in the balloon m minutes after it is filled?
    A. 12 – 0.5m B. 12m – 0.5m
    C. 12 + 0.5m D. 12m + 0.5m
    Hint

  8.   Find an explanation for the expression s + 3.
    A. If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year.
    B. If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class.
    C. If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago.
    D. If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class.
    Hint

  9.   Describe this pattern.
   
    A. square pattern B. ''add 1'' pattern
    C. doubling pattern D. cube pattern
    Hint

  10.   Rewrite a4 × b4 using a single base.
    A. ab4 B. a4b4
    C. ab8 D. ab16
    Hint

  11.   Rewrite 94 ÷ 34 using a single base.
    A. 316 B. 34
    C. 31 D. 38
    Hint

  12.   Simplify (xy)z.
    A. xyz B. yzx
    C. xyz D. xy + z
    Hint

  13.   Which expression increases most quickly?
    A. 2x B. x + 2
    C. 2x D. x2
    Hint

  14.   Use your calculator to evaluate the expression.
(5.9 × 108) × (2.4 × 109)
    A. 1.416 × 1018 B. 1.416 × 1016
    C. 1.416 × 1012 D. 1.416 × 1017
    Hint

  15.   In which quadrant are positive x-coordinates and negative
y-coordinates located?
    A. Quadrant IV B. Quadrant II
    C. Quadrant I D. Quadrant III
    Hint

  16.   Tamika earns $9 per hour working at the library. In one week, she earned $261. How many hours did Tamika work in that week?
    A. 2,349 hours B. 252 hours
    C. 20 hours D. 29 hours
    Hint

  17.   What is the y-intercept of the equation y = 5x – 3?
    A. (0, –3) B. (0, 3)
    C. (–3, 0) D. (3, 0)
    Hint

  18.   Find how many blocks are in each bag to balance the scale.
   
    A. 2 B. 1
    C. 4 D. 3
    Hint

  19.   Which equation has a solution of x = 7?
    A. 11 + 7x = –14x – 8
    B. 7 – 11x = –8x – 14
    C. –7 + 8x = –11x + 14
    D. 11x – 7= 14 – 8x
    Hint

  20.   Identify the angle that is congruent to d.
   
    A. B.
    C. D.
    Hint



Glencoe
The McGraw-Hill Companies