Special Linear Relationships — Unit test Answers

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

Question illustration
A
x – 4y = 4
B
x + 4y = 4
C
y = x – 1
Option C
D
y = –x – 1
Option D
2
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A coordinate plane with a line passing through points at (0, negative 2) and (4, negative 1).

Question illustration
A
y = 4x – 2
B
y = –4x – 2
C
y = x – 2
Option C
D
y = – x – 2
Option D
3

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?

A
y – 12 = –5(x + 2)
B
y – 12 = 2(x + 2)
C
y + 12 = 2(x – 2)
D
y + 12 = –5(x – 2)
4

Which linear function represents the line given by the point-slope equation y + 7 = –(x + 6)?

Question illustration
A
f(x) = –x – 11
Option A
B
f(x) = –x – 1
Option B
C
f(x) = –x + 3
Option C
D
f(x) = –x + 13
Option D
5

The table represents a linear function.

Question illustration
A
–8
B
–4
C
2
D
5
6

Which shows a graph of a linear equation in standard form Ax + By = C, where A = 0, B is positive, and C is negative?

A
Option
B
Option
C
Option
D
Option
7

Raphael graphed the functions g(x)=x+2 and f(x)=x−1. How many units below the y-intercept of g(x) is the y-intercept of f(x)?

Question illustration
A
−3 units
B
−1 units
C
2 units
D
3 units
8

A coordinate plane with a horizontal line passing through (negative 3, negative 3), (negative 3, 0) and (negative 3, 3).

Question illustration
A
The value of A can be –1 if the value of C is 3 and the value of B is 0.
B
The value of A can only be 1, the value of C can only be –3, and the value of B is 0.
C
The standard form of the equation can be shown as 3x = –9.
D
The standard form of the equation can only be x + 3 = 0.
9

A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (4, negative 1).

Question illustration
A
f(x) = –2x + 1
B
f(x) = –x + 1
Option B
C
f(x) = x + 1
Option C
D
f(x) = 2x + 1
10

Which table represents a linear function?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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