Pre-Test

Sara works in an ice cream shop. The table shows the number of hours she worked during each of the past four weeks and the amount she earned each week. Let t represent the time in hours and let a represent the amount earned in dollars. Which equation represents the relationship between a and t?

• a = 8.25t

• a = 8.5t

• a = (t/8.25)

• a = (t/8.5)

The graph shows the profit, y, from the sale of raffle tickets given x number of tickets. Which equation best represents the relationship between x and y?

• y = x + 30

• y = x + 10

• y = 20x

• y = 2x

The graph shows the amount of money Sam has in his savings account each week. Which list best represents the dependent quantities in the graph?

• A) 6, 8, 10, 12, 14

• B) 5, 7, 9, 11, 13

• C) 0, 2, 4, 6, 8

• D) 1, 3, 5, 7, 9

A piano teacher charges $150 for 3 hours of work. She charges the same amount of money for each hour of work. Which table shows the relationship between the amount of time the piano teacher works and the amount of money she charges?

• Table A

• Table B

• Table C

Which situation can be represented by the equation y = 32x?

• A savings account has y dollars after $32 is placed in the account each week for x weeks.

• A restaurant uses y gallons of water to make 32 cups of soup, with each cup of soup measuring x ounces of water.

• A lion weighs y pounds if it is 32 pounds when it is born and gains x pounds each week.

• A basketball team has y total points after scoring 32 points in the first quarter and x points in the last three quarters.

The table shows the tablespoons of sugar needed for a recipe based on the servings being cooked. What quantity from the table is independent? Move the correct answer to the box. Not all answers will be used. The independent quantities from the table are __________.

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The ages of Terrell and his sister Taylor over time have been recorded in the table. Which equation represents the relationship between the quantities?

• y = x + 4 1/2

• y = 1/2x + 5

• y = 4 1/2x + 1

• y = -x + 4 1/2

The temperatures were recorded throughout the one winter morning in Denver, CO. The table shows the temperature changes that happened throughout the day. Which quadrants will you need in order to graph all points from the table?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

• All Quadrants

What is the x-value of point D? Do not enter any blank spaces.

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Answer explanation

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