Write the equation of a line that is perpendicular to the given line and that pa

Mathematics
Tutor: None Selected Time limit: 1 Day

Write the equation of a line that is perpendicular to the given line and that passes through the given point.

2x + 4y = –6; (2, 5)

A.  y = 1/2x – 8

B.  y = -2x + 1

C.  y = 2x + 1

D.  y = 1/2x + 1

Apr 25th, 2015

The perpendicular line has slope =2 because it is negative reciprocal of slope of the given line.

The required eq, y-5 = 2 (x-2)

                          y = 2x -4 +5

                          y = 2x+1

Answer:  C

                         

Apr 25th, 2015

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