Question

Find the equation of straight line perpendicular to the line 3x-4y+12=0 and having same y intercept as 2x-y+5=0

Answer 1

The y-INTERCEPT of 2x-y=-5 is 5 .

An equation of a line perpendicular to

3x-4y+12=0 is

4x+3y=something

now

4*0 + 3*5=15

so

4x+3y=15

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