Name:    Alg 1 Ch 5 Practice Test

1.

Without graphing, tell whether the point (11, 17) is on the graph of y = 2x – 5.
 a. Yes b. No

2.

Find the x- and y-intercepts. a. x-intercept: 6, y-intercept: 3 c. x-intercept: 3, y-intercept: 6 b. x-intercept: 3, y-intercept: –6 d. x-intercept: –3, y-intercept: 6

3.

Find the x- and y-intercepts of .
 a. x-intercept: 1, y-intercept: –3 c. x-intercept: , y-intercept: b. x-intercept: 1, y-intercept: d. x-intercept: , y-intercept: –3

4.

Find the slope of the line. a. c. b. d. 5.

Find the slope of the line. a. undefined c. 0 b. 11 d. –12

6.

Find the slope of the line that contains and .
 a. c. b. d. 7.

Tell whether the slope of the line is positive, negative, zero, or undefined. a. positive c. zero b. undefined d. negative

8.

Find the slope of the line described by x – 4y = –8.
 a. c. b. d. 9.

Write the equation that describes the line with slope = and y-intercept = in slope-intercept form.
 a. x = y + c. y = x + b. y = x + d. x + y = 10.

Write an equation in slope-intercept form of the line with slope that contains the point (3, –2).
 a.  x – 17 c.  x + 3 b.  x – 15 d.  x – 2

11.

Write an equation in slope-intercept form for the line that passes through (8, 7) and (9, 1).
 a. y = x + c. y = x + b. y = x + d. y = x + 12.

Write an equation in slope-intercept form for the line parallel to y = x – 6 that passes through the point (–9, –6).
 a. y = x – 6 c. y = x + b. y = x – d. y = x – 13.

Divide. a. c. b. d. 14.

Simplify .
 a. –71 c. –1575 b. –275 d. 325

15.

Solve .
 a. x = c. x = b. x = d. x = 16.

Solve .
 a. x = c. x = b. x = d. No solution

17.

Solve the inequality y – 12 ³ 2..
 a. y ³ –7 b. y £ –7 c. y ³ 5 d. y £ 5

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

18. a. y = x 1 c. y = x 1 b. y = x 1 d. y = x 1

Are the graphs of the lines in the pair parallel? Explain.

19.

y = x + 8
–2x + 12y = –11
 a. Yes, since the slopes are the same and the y-intercepts are the same. b. No, since the y-intercepts are different. c. Yes, since the slopes are the same and the y-intercepts are different. d. No, since the slopes are different.

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

20.

y = x – 11
16x – 8y = –8
 a. neither b. perpendicular c. parallel