Explain why the graphs of y = -2x + 3 and y = 2x + 3 are a family of graphs. My answer is: They are a family because they have the same slope. Let me know if I'm right or wrong?
Last edited by Math Help; June 25th 2005 at 06:34 PM.
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Wrong. One is +2 and another is -2.
Okay thanks. They are a family because they have the same y-intercept.
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