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58. The scatter plot shows the relationship between the weekly total sales ($) and the number of different rug designs a<br />
rug store has. Based on this relationship,<br />
predict what the total sales will be when<br />
the store has 110 different rug designs.<br />
50000<br />
a. $31,000<br />
b. $0<br />
c. $38,000<br />
d. $35,000<br />
Total Sales ($)<br />
40000<br />
30000<br />
20000<br />
10000<br />
20 40 60 80 100 120 140 160<br />
Number of Designs<br />
Short Answer<br />
59. Solve the inequality and graph the solutions. Then write the solutions as a compound inequality.<br />
60. Write the equation in slope-intercept 63. Graph the system of linear inequalities<br />
form. Then graph the line described by the<br />
equation.<br />
. Give two ordered pairs that are<br />
61. Solve the system by graphing.<br />
62. Graph the solutions of the linear inequality<br />
.<br />
66. Subtract.<br />
solutions and two that are not solutions.<br />
64. Graph . Find the axis of symmetry<br />
and the vertex.<br />
65. Graph the linear equation . Then tell<br />
whether it represents a function.<br />
67. Simplify the expression . All variables represent nonnegative numbers.<br />
68. Solve and graph the compound inequality.<br />
OR<br />
69. Write the inequality shown by the graph.<br />
–7 –6 –5 –4 –3 –2 –1<br />
0 1 2 3 4 5 6 7 m<br />
70. Tell whether the relationship is an inverse variation. Explain.<br />
x y<br />
2 409<br />
3 240<br />
4 194
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