What inequality represents the verbal expression?

A B C D
1.

all real numbers greater than or equal to 67

a.

b.

x < 67
c.

d.

x > 67

Which number is a solution of the inequality?

A B C D
2.

10.6 < b

What is the graph of the inequality?

A B C D
3.

k >

What inequality describes the situation?

A B C D
4.

Let n = the number. A number exceeds 45.

a.

b.

c.

n < 45
d.

n > 45

What are the solutions of the inequality? Graph the solutions.

A B C D
5.

What are the solutions of the inequality? Graph the solutions.

A B C D
6.

a.

x >
b.

x > 81
c.

x >
d.

x > 0

What are the solutions of the inequality? Check the solutions.

A B C D
7.

4x + 6 < –6

a.

x < –3
b.

x > –3
c.

x > –6
d.

x < + 6

What are the solutions of the inequality?

A B C D
8.

Find the slope of the line.

A B C D
9.

_{}

What is the slope of the line that passes through the pair of points?

A B C D
10.

(1, 7), (10, 1)

A B C D
11.

(–5.5, 6.1), (–2.5, 3.1)

a.

–1
b.

c.

–1
d.

1

What is the slope of the line?

A B
12.

Does the equation represent a direct variation? If so, find the constant of variation.

A B C D
13.

a.

no
b.

yes; k =
c.

yes; k =
d.

yes; k =

What are the slope and y -intercept of the graph of the given equation?

A B C D
14.

y = –4x + 2

a.

The slope is –2 and the y -intercept is –4.
b.

The slope is 2 and the y -intercept is –4.
c.

The slope is 4 and the y -intercept is –2.
d.

The slope is –4 and the y -intercept is 2.

Write an equation of a line with the given slope and y -intercept.

A B C D
15.

m = –5, b = –3

a.

y = –5x – 3
c.

y = 5x – 3
b.

y = –5x + 3
d.

y = –3x – 5

Write the slope-intercept form of the equation for the line.

A B C D
16.

_{}

What equation in slope intercept form represents the line that passes through the two points?

A B C D
17.

(2, 5), (9, 2)

Graph the equation.

A B C D
18.

y = 4x – 3

Write an equation in point-slope form for the line through the given point with the given slope.

A B C D
19.

(–10, –6);

m =

a.

y – 6 = (x – 10)
c.

y + 6 = (x + 10)
b.

y – 6 _{ } = (x + 10)
d.

y + 10 = (x + 6)

Graph the equation.

A B C D
20.

y – 4 =

(

x + 1)

A B C D
21.

The table shows the height of an elevator above ground level after a certain amount of time. Model the data with an equation. Let

y stand for the height of the elevator in feet and let

x stand for the time in seconds.

Time (s)

Height (ft)

10

202

20

184

40

148

60

112

Find the x - and y -intercept of the line.

A B C D
22.

–4x + 2y = 24

a.

x -intercept is –6; y -intercept is 12
c.

x -intercept is –4; y -intercept is 2
b.

x -intercept is 12; y -intercept is –6
d.

x -intercept is 2; y -intercept is –4

What is the graph of the equation?

A B C D
23.

y = –2

A B C D
24.

Write

y =

x + 5 in standard form using integers.

a.

–x – 6y = 30
c.

–x + 6y = 30
b.

6x – y = 30
d.

–x + 6y = 5

Write an equation for the line that is parallel to the given line and passes through the given point.

A B C D
25.

y = x – 8; (–15, –23)

a.

y = x + 14
c.

y = x – 14
b.

y = x
d.

y = x – 14

A B C D
26.

y = 5.2x + 6.5; (6.8, 8.3)

a.

y = –5.2x – 43.66
c.

y = 5.2x – 27.06
b.

y = –5.2x + 43.66
d.

y = 5.2x + 43.66

Tell whether the lines for each pair of equations are parallel , perpendicular , or neither .

A B C
27.

y =

x – 5

24

x – 4

y = 12

a.

parallel
b.

perpendicular
c.

neither

A B C
28.

y =

x – 12

–6

x – 12

y = 21

a.

parallel
b.

perpendicular
c.

neither

Write the equation of a line that is perpendicular to the given line and that passes through the given point.

A B C D
29.

y – 2 =

(

x + 1); (–1, 2)

a.

y – 1 = (x + 2)
c.

y + 2 = (x – 1)
b.

y – 2 = (x + 1)
d.

y + 2 = (x – 1)