5 Cumulative Test Prep

Vocabulary Builder

As you solve test items, you must understand the meanings of mathematical terms. Choose the correct term to complete each sentence.

1. The (dependent, independent) variable provides the output values of a function.
2. The set of all possible values for the dependent variable is called the (domain, range).
3. The (slope, y-intercept) of a line is determined by the ratio rise run . fraction rise , over run end fraction . .
4. An (equation, inequality) is a math sentence that shows the relationship between two quantities that may not have the same value.
5. (Parallel, Perpendicular) lines are lines in the same plane that never intersect.

Multiple Choice

Read each question. Then write the letter of the correct answer on your paper.

1. Which is an equation of a line with slope 3?

   1. y = 3 x − 4 y equals 3 x minus 4
   2. y = − 3 x + 3 y equals negative 3 x plus 3
   3. y = 4 x − 3 y equals 4 x minus 3
   4. y = − 3 x − 5 y equals negative 3 x minus 5

2. Ben has a cell phone plan where he pays $12 per month plus $.10 per minute of talk time. The equation y = 0.10 x + 12 y equals , 0.10 , x plus 12  can be used to find his monthly phone bill y given the number of minutes x he spends talking. Which set or inequality represents a reasonable range of the function?

   6. {0, 12}
   7. 0 ≤ y ≤ 12 0 less than or equal to y less than or equal to 12
   8. 12 ≤ y 12 less than or equal to y
   9. 0 ≤ y 0 less than or equal to y

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