Question

You buy 3 pounds of organic apples for $7.50. The graph shows the price for regular apples. What is the unit rate for each type of apple?
A line is shown on a coordinate graph. The horizontal axis is titled pounds. The line passes through the origin and the points with coordinates 1 comma 2, 2 comma 4, and 3 comma 6.
A. organic $2.50/pound; regular $3.00/pound
B. organic $0.40/pound; regular $0.50/pound
C. organic $2.50/pound; regular $2.00/pound
D. none of the above
Answer
The price for pears is y = 2.75x. Which line would have the steepest slope if organic apples and pears were added to the graph?
A. organic apples
B. pears
C. regular apples
D. We need more information to answer this question.
Answer
What is the rule for the function shown in the table?
A table is shown with the first row titled x and the second row titled y.
The first row contains the numbers negative 1, 0, 1, and 2.
The second row contains the numbers negative 2, 1, 4, and 7.
A. y equals one-third x plus 1
B. y = 3x + 1
C. y equals one-third x
D. y equals one-half x plus 1
Answer
What is the function rule for the following situation? Rex paid $20 for a membership to the pool and pays $3.00 each time he goes to the pool.
A. y = 20x + 3
B. 20 = 3x + y
C. y = x + 20
D. none of these
Answer
Find the solution to the system of equations by using either graphing or substitution.

y = 6 – x and y = x – 2
A. (2, 4)
B. (–4, 2)
C. (4, 2)
D. no solutions
Answer
y = 2x – 1 and y = x + 3
A. (4, 7)
B. (7, 4)
C. (–7, –4)
D. infinite solutions
Answer
y = 4x and y + x = 5
A. (–4, 1)
B. (1, 4)
C. (–3, 2)
D. (2, 3)
Answer
What will the graph look like for a system of equations that has no solution?
A. The lines will be perpendicular.
B. The lines will cross at one point.
C. Both equations will form the same line.
D. The lines will be parallel.
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