1. Mathematics
2. Discrete Math
3. 237443

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

1. Find the slope and the y-intercept of the line.

6y + 7x = -7
A) m = -7; b = -7
B) m = ; b = 0
C) m = - ; b = -
D) m = 6; b = 0

2. Decide whether the pair of lines is parallel, perpendicular, or neither.

The line through (-20, 5) and (-4, 7) and the line through and
A) Parallel
B) Perpendicular
C) Neither

3. Solve the inequality.

> x
A) (0, 3) or (5, ∞)
B) (-∞, 0) or (3, 5)
C) (5, ∞)
D) (-∞, 3) or (5, ∞)
4. Identify whether the slope is positive, negative, zero, or undefined.

A) Undefined
B) Zero
C) Negative
5. Find the x-intercepts and y-intercepts of the graph of the equation. x + y = 5
A) x-intercept: 5; y-intercept: 3
B) x-intercept: 5; y-intercept: 5
C) x-intercept: 2; y-intercept: 3
D) x-intercept: 3; y-intercept: 2
6. Solve and graph the inequality and graph the solution. -8x - 2 ≥ -7x - 12

A) (-∞, 10]

B) [-10, ∞)

C) (-∞, -8]

D) (-8, ∞)

7. Solve and graph the inequality and graph the solution.

<

A) ( , &#8734;)

B) (-&#8734;, )

C) (-&#8734;, )

D) ( , &#8734;)

8. Solve the inequality. (b + 3)(b - 5)(b - 6) < 0
A) (-3, 5) or (6, &#8734;)
B) (6, &#8734;)
C) (-&#8734;, -3) or (5, 6)
D) (-&#8734;, 5)

9. Find the slope and the y-intercept of the line. x + 4y = -2
A) m = - ; b = -
B) m = -4; b = 0
C) m = 4; b = -8
D) m = ; b = -8

10. Give the x-intercepts and y-intercepts of the graph.

A) x-intercept: -5
B) y-intercept: -5
C) y-intercept: 5
D) x-intercept: 5
11. Find an equation of the the line satisfying the given conditions.

Through (0, 5); m =
A) 4x - 3y = -20
B) -3x + 4y = 20
C) -3x - 4y = 20
D) -3x + 4y = -20

12. Give the x-intercepts and y-intercepts of the graph.

A) x-intercept: -3; y-intercept: -7
B) x-intercept: -7; y-intercept: -3
C) x-intercept: 7; y-intercept: 3
D) x-intercept: 3; y-intercept: 7
13. Find the slope of the line, if it is defined. Through the origin and (3, 8)
A) 2
B) Undefined
C) 2
D) 8
14. Sketch the graph of the equation. y =

A)

B)

C)

D)

15. Solve the inequality and graph the solution. <
A)
B)
C)
D)

16. Graph the linear equation. -x = 5y + 9

A)

B)

C)

D)

17. Find the slope and the y-intercept of the line. 6x - 5y = -5
A) m = ; b = 1
B) m = ; b = -5
C) m = 0; b = 6
D) m = -6; b = -1

18. Write an equation in slope-intercept form of a line satisfying the given conditions.

Slope - ; y-intercept
A) y = x +
B) y = x -
C) y = - x +
D) y = - x -
19. Determine whether the given ordered pair is a solution of the given equation.

(x - 6)2 + (y + 6)2 = 9; (1, -2)
A) No
B) Yes

20. Graph the linear equation. -2y = x - 8

A)

B)

C)

D)

21. Write an equation in slope-intercept form of a line satisfying the given conditions.

Slope - ; y-intercept
A) y = x +
B) y = - x -
C) y = x -
D) y = - x +
22. Determine whether the given ordered pair is a solution of the given equation.

3x + y = 18; (5, 3)
A) No
B) Yes

23. Find the slope and the y-intercept of the line. 2x - 4y = -12
A) m = - ; b = -12
B) m = - 2; b = -4
C) m = 2; b = 3
D) m = ; b = 3
24. Give the x-intercepts and y-intercepts of the graph.

A) x-intercept: -6; y-intercept: -1
B) x-intercept: 6; y-intercept: 1
C) x-intercept: 1; y-intercept: 6
D) x-intercept: -1; y-intercept: -6
25. Write an equation in standard form for a line passing through the pair of points.

(-2, -9) and (-10, -9)
A) -10x - 2y = 0
B) y = -9
C) -2x - 10y = 0
D) x = -2