The equation of a line is shown below.

y = - x - 7

What is the equation of a line which is parallel to this line and passes through (1, 79)?

Question

The equation of a line is shown below.

y = - x - 7

What is the equation of a line which is parallel to this line and passes through (1, 79)?

anonymous · Answer

help @mathmale

mathmale · Answer

1) Keep in mind that if two lines are parallel, they have the same slope.  
2) What is the slope of the given line?
3) What is the slope of the new line?
4) Using the info from 2) and 3), above, substituting it into the point-slope formula for the equation of a straight line, the desired equation is ... ??