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4.

Write the equation of the line, in slope-intercept form, that goes through the point ( 10, 6 ) and is perpendicular to the line: y = ( - 5 / 4 ) x + 1.

User JustJeff
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1 Answer

8 votes

Answer:
\boxed{y=(4)/(5)x-2}

Explanation:

Perpendicular lines have slopes that are negative reciprocals, so as the slope of the given line is -5/4, the slope of the perpendicular line is 4/5.

Substituting into point-slope form,


y-6=(4)/(5)(x-10)\\\\y-6=(4)/(5)x-8\\\\\boxed{y=(4)/(5)x-2}

4. Write the equation of the line, in slope-intercept form, that goes through the-example-1
User Daniel Wood
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