40. Find the slope of a line parallel to the given line:
m = _______

41. Find the slope of a line perpendicular to the given
line: m = _______

42. Give the slope of a line

a) parallel to the line m = _______

b) perpendicular to the line m = _______

in questions 43 – 44 determine whether each pair of lines
is parallel, perpendicular or neither.

_______ 43. a) parallel
b) perpendicular c) neither

_______ 44. a)
parallel b) perpendicular c) neither

________ 45. Determine which pair of lines is
perpendicular.

46. Graph the line passing through the

point (2,1) with slope equal to
.

47. Graph the line passing through the

point (0,0) with slope equal to 3.

In questions 48 – 49 match the graph with the correct
equation in slope - intercept form .

________ 48.

________ 49.

50. Graph each linear equation using the slope and
y-intercept.

a) Graph

b) Graph

________ 51. Find the equation of the line with slope = –2
that passes through the point

(–5, 3). Write your answer in slope-intercept form.

52. Find the equation of the line that passes through the
point (–9, 4) and has a slope

of . Write your answer in standard form (Ax +
By = C).

53. Find the equation of the line that passes through the
points (4, –11) and (–2,1). Write your answer in standard form.

54. Write an equation of the line containing the point (2,
–4) and parallel to the line . Write your
answer in slope-intercept form.

55. Write an equation of the line containing the point (2,
–4) and perpendicular to the line . Write
your answer in standard form.

In questions 56 – 57 graph each inequality.

56.

57.

58. Determine whether each of the fol lowing relations is a
function.

Circle the correct answer.

______ 59. Given . Find

a) –9

b) 15

c) –15

d) –22

60. If , find

61. Solve the system:

62. Solve the system:

63. The larger of two numbers is 1 more than the smaller .
If the sum of the larger and twice the smaller is 7, find the two numbers.

64. A chemist is preparing 15 liters of a 25% saline
solution. She has two other saline solutions available with strengths 40% and
10%. Find the amount of 40% solution and the amount of 10% solution she should
mix to get 15 liters of a 25% solution.

In questions 65 – 66 graph the solutions of each system of
linear inequalities.

_____ 67. Match the inequality
with the correct graph.

_____ 68. Add :

_____ 69. Subtract :

_____ 70. Multiply :

_____ 71. Multiply:

_____ 72. Multiply:

_____ 73. Multiply:

_____ 74. Multiply:

_____ 75. Divide

76. Divide using long division.

77. Divide using long division.