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Elementary Algebra 2e

Practice Test

Elementary Algebra 2ePractice Test
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Practice Test

682.

Plot each point in a rectangular coordinate system.

  1. ⓐ (2,5)(2,5)
  2. ⓑ (−1,−3)(−1,−3)
  3. ⓒ (0,2)(0,2)
  4. ⓓ (−4,32)(−4,32)
  5. ⓔ (5,0)(5,0)
683.

Which of the given ordered pairs are solutions to the equation 3x−y=63x−y=6?

  1. ⓐ (3,3)(3,3)
  2. ⓑ (2,0)(2,0)
  3. ⓒ (4,−6)(4,−6)
684.

Find three solutions to the linear equation y=−2x−4y=−2x−4.

685.

Find the x- and y-intercepts of the equation 4x−3y=124x−3y=12.

Find the slope of each line shown.

686.
The graph shows the x y-coordinate plane. The x- and y-axes each run from negative 7 to 7. A line passing through the points (negative 5, 2) and (0, negative 1) is plotted from the top left toward the bottom right.
687.
The graph shows the x y-coordinate plane. The x- and y-axes each run from negative 7 to 7. A vertical line passing through the point (2, 0) is plotted.
688.
The graph shows the x y-coordinate plane. The x- and y-axes each run from negative 7 to 7. A horizontal line passing through the point (0, 5) is plotted.
689.

Find the slope of the line between the points (5,2)(5,2) and (−1,−4)(−1,−4).

690.

Graph the line with slope 1212 containing the point (−3,−4)(−3,−4).

Graph the line for each of the following equations.

691.

y = 5 3 x − 1 y = 5 3 x − 1

692.

y = − x y = − x

693.

x − y = 2 x − y = 2

694.

4 x + 2 y = −8 4 x + 2 y = −8

695.

y = 2 y = 2

696.

x = −3 x = −3

Find the equation of each line. Write the equation in slope–intercept form.

697.

slope −34−34 and y-intercept (0,−2)(0,−2)

698.

m=2m=2, point (−3,−1)(−3,−1)

699.

containing (10,1)(10,1) and (6,−1)(6,−1)

700.

parallel to the line y=−23x−1y=−23x−1, containing the point (−3,8)(−3,8)

701.

perpendicular to the line y=54x+2y=54x+2, containing the point (−10,3)(−10,3)

702.

Write the inequality shown by the graph with the boundary line y=−x−3y=−x−3.

The graph shows the x y-coordinate plane. The x- and y-axes each run from negative 7 to 7. The line y equals negative x minus 3 is plotted. The solid line passes through the points (negative 3, 0) and (0, negative 3).

Graph each linear inequality.

703.

y > 3 2 x + 5 y > 3 2 x + 5

704.

x − y ≥ −4 x − y ≥ −4

705.

y ≤ −5 x y ≤ −5 x

706.

y < 3 y < 3

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