the line through A(-2,3) and B(4,b) is perpendicular to the line 2x-4y=5. Find the value of b
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My answer is b is equal to -9.
rameshrockz10:
but tell me how to do explain
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2x-4y=5
4y=2x-5
y=2x/4-5/4
y=1x/2 -5/4
comparing with y=mx+c
slope=1/2
since the is perpendicular
slope of another line is -2
slope= b-3/4+2
-2(6)=b-3
-12+3=b
-9=b
4y=2x-5
y=2x/4-5/4
y=1x/2 -5/4
comparing with y=mx+c
slope=1/2
since the is perpendicular
slope of another line is -2
slope= b-3/4+2
-2(6)=b-3
-12+3=b
-9=b
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