170 Chapter 2 Linear Equations in Two Variables and Functions For Exercises 87–90, write an equation of the given line. Write the answer in slope-intercept form, if possible. 87. y 88. x 5 4 3 2 1 22 21 252423 1 2 3 4 5 21 22 23 24 25 5 4 3 2 1 22 21 21 5 4 3 2 1 22 21 21 5 4 3 2 1 22 21 21 Graphing Calculator Exercises For Exercises 91–94, use a graphing calculator to graph the lines on the same viewing window.Then explain how the lines are related. 91. y2 1 2 x 2 y1 1 2 x 4 92. y2 1 3 x 3 y1 1 3 x 5 93. y1 x 2 94. y2 2x 2 y3 3x 2 y1 2x 1 y2 3x 1 y3 4x 1 For Exercises 95–96, use a graphing calculator to graph the lines on a square viewing window.Then explain how the lines are related. 95. y1 4x 1 96. y2 1 4 x 1 y1 1 2 x 3 y2 2x 3 97. Use a graphing calculator to graph the equation from Exercise 53. Use the Value feature to verify that the line passes through the points (0, 4) and (3, 0). 98. Use a graphing calculator to graph the equation from Exercise 54. Use the Value feature to verify that the line passes through the points (1, 1) and (3, 7). 89. 90. y x 252423 1 2 3 4 5 22 23 24 25 y x 252423 1 2 3 4 5 22 23 24 25 y x 272625 23 1 2 3 22 23 24 25 24
miller_intermediate_algebra_4e_ch1_3
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