Practice Exercises:
Are the following equations parallel, perpendicular, or neither?
1. \(y = 2x+3\) and \(y= 2x + 7\)
2. \(y = \frac{1}{2}x +\frac{3}{4}\) and \(y = -\frac{1}{2}x + 2\)
3. \(y = -\frac{2}{3}x - 1\) and \(y = \frac{3}{2}x + 5\)
Use the following graph to answer Exercises 4-6
4. What is the slope of the red line? What is the slope of the blue line?
5. Are the red and blue lines parallel, perpendicular, or neither?
6. What is the slope of the green line? Are the red and green lines parallel, perpendicular, or neither?
7. What is the slope of the purple line? Draw a graph containing the purple line and a line perpendicular to it. What is the slope of the line that is perpendicular to the purple line?
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