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Equations of lines

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Determine which two equations represent parallel lines. (a) y = -7x + 5 (b) y = 7x + 5 (c) y = 1/7 x + 5 (d) y = -7x + 8

2. Write the equation of the line with x-intercept (-10, 0) and undefined slope.

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Solution Summary

This shows how to write an equation for a line and determine if two lines are parallel.

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Problem #1
Determine which two equations represent parallel lines. (a) y = -7x + 5 (b) y = 7x + 5 (c) y = 1/7 x + 5 (d) y = -7x + 8
Answer: (a) and (d)
We know, if the equation of a ...

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