Unit Test

Question 1

Which points lie on the line that passes through point P and is parallel to the given line? Select three options.

Revolt · Accepted Answer

B: (–1, 3); C: (–2, 2); E: (–5, –1)

Question 2

Which table represents a linear function?

Revolt · Accepted Answer

A:

Question 3

Sara wants to find the input value that produces the same output for the functions represented by the tables.

Revolt · Accepted Answer

D: 2

Question 4

The depth of snow after n hours of a snowstorm is represented by the function f(n + 1) = f(n) + 0.8 where f(0) = 2.5. Which statement describes the sequence of numbers generated by the function?

Revolt · Accepted Answer

C: The depth of snow was 2.5 inches when the storm began, and increased by 0.8 inches each hour.

Question 5

Mr. Shaw graphs the function f(x) = –5x + 2 for his class. The line contains the point (-2, 12). What is the point-slope form of the equation of the line he graphed?

Revolt · Accepted Answer

y: y – 12 = –5(x + 2)

Question 6

A coordinate plane with a line passing through points at (0, negative 2) and (4, negative 1).

Revolt · Accepted Answer

C: y = x – 2

Question 7

On a coordinate plane, 2 lines are shown. Line A B has points (negative 4, negative 2) and (4, 4). Line C D has points (0, negative 3) and (4, 0).

Revolt · Accepted Answer

A: They are parallel because their slopes are equal.

Question 8

Solve the equation.2x − 3 + 4x = 21

Revolt · Accepted Answer

C: x = 4

Question 9

What is the solution to –4(8 – 3x) ≥ 6x – 8?

Revolt · Accepted Answer

C: x ≥ 4

Question 10

The amount of potential energy, P, an object has is equal to the product of its mass, m, its height off the ground, h, and the gravitational constant, g. This can be modeled by the equation P = mgh.

Revolt · Accepted Answer

B: = h

Unit Test Answers

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