1.   Find the zero of the function f(x) = -8x + 4.
    A. -2 B.
    C. 2 D.
    Hint
  2.   Write an equation in slope-intercept form for the line with a slope
of and a y-intercept of -3.
    A. y = x - 3 B. y = x + 3
    C. y = x - 3 D. y = x + 3
    Hint
  3.   Using the equation y = 50x + 50, predict y when x = 6.
    A. 400 B. 300
    C. 350 D. 250
    Hint
  4.   Which is the graph of

?
    A. B.
    C. D.
    Hint
  5.   If you use the substitution method to solve the system of equations
3x - 2y = 4 and x + y = 5, which of the following would be the best method?

Method I: Solve the second equation for x, and substitute 5 - y for x into the first equation.

Method II: Solve the second equation for y, and substitute 5 - x for y into the first equation.
    A. Method II B. Method I
    C. Neither Method I nor Method II is correct. D. Both Method I and Method II are correct.
    Hint
  6.   Solve the system of equations x = 4 and 3x - 4y = 12 by graphing.
    A. B.
    C. D.
    Hint
  7.   Triangle ABC has vertices A(7, 2), B(3, -1), and C(1, 4). Find the image of the triangle after a reflection over the x-axis.
    A. A'(7, -2), B'(3, 1), C'(1, -4) B. A'(7, -2), B'(-1, 3),
C'(-1, -4)
    C. A'(2, 7), B'(-1, 3), C'(4, 1) D. A'(-7, -2), B'(-3, 1),
C'(-1, -4)
    Hint
  8.   Suppose a figure is animated to spin around a certain point. If the image has key points as A(2, 1), B(3, 5) and C(6, 2), and the rotation is about the origin, find the location of these points at a 270° counterclockwise rotation.
    A. A'(-1, 2), B'(-5, 3), C'(-2, 6) B. A'(1, -2), B'(5, -3), C'(2, -6)
    C. A'(1, -2), B'(-5, 3), C'(-2, 6) D. A'(-2, -1), B'(-3, -5),
C'(-6, -2)
    Hint
  9.   Find the value of .
    A. 24 B. -28
    C. -24 D. 28
    Hint
  10.   The graph of the system of inequalities is shown below. Name the coordinates of the vertices of the polygonal set.
   
   
    A.      (0, 0), (2, 0), and (2, 6) B.      (1, -4), (3, 0), and (0, 1)
    C.      (-1, 1), (-1, 4), and (2, 1) D.      (1, -1), (-1, 3), and (2, 1)
    Hint
  11.   Find a linear equation that can be used as a model for the data shown.
   
    A. B.
    C. D.
    Hint
  12.   Determine whether 3x - 5y + 1 = 0 and 6x - 10y + 2 = 0 are parallel, coinciding, or neither.
    A. parallel B. all are correct
    C. coinciding D. perpendicular
    Hint
  13.   Write the equation of the line perpendicular to 5y + 3x - 10 = 0 and that passes through the point (3,1).
    A. 5x - 3y - 12 = 0 B. 3x + 5y - 50 = 0
    C. 5x + 3y - 12 = 0 D. 5x - 3y - 4 = 0
    Hint
  14.   Ilene analyzed her test scores and determined the equation of the best-fit line was y = 4.25x + 72. Predict her score for the 5th test.
    A. 88.75 B. 93.25
    C. 98.5 D. 72.5
    Hint
  15.   Determine two points that appear to represent the data in the scatter plot. Then find and interpret the slope.
   
    A. Paul's test scores improve an average of 5 points with each test.
    B. Paul's test scores are neither increasing nor decreasing.
    C. Paul's test scores improve an average of 15 points with each test.
    D. Paul's test scores improve an average of 3 points with each test.
    Hint
  16.   What is the value of y when x = 2?
   
    A. 0 B. 2
    C. 1 D. undefined
    Hint
  17.  
    A. B.
    C. impossible D.
    Hint
  18.  
    A. B.
    C. impossible D.
    Hint
  19.   Find the maximum value of f(x, y) = x - 4y for the system of inequalities.
2x + y 3
2x + y -2
y 4
x < 1
    A. 16 B. -3
    C. -17 D. -16
    Hint
  20.   Sam has $10,000 to deposit in two different savings accounts. He wants at least $3,000 in the account that earns 3% interest. He wants no less than $5,000 in the account with 7% interest. Write a system of inequalities to represent this situation.
    A. x 3000
y 5000
x + y 10,000		 B. x 5000
y 3000
x + y 10,000
    C. x 3000
y 5000
x + y 10,000		 D. x 3000
y 5000
x + y 10,000
    Hint