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The formula for perpendicularity is m=-¹/m
So, y-2x=1
y=2x + 1
y = mx +c
By comparison, m = 2
Recall , m=-¹/m
So m= -¹/2
Slope is same as gradient.So the chosen answer is correct
Y-2x=1
4mula for gradient and intercep form is Y=mx+c
Rearrange, y=2x-1
:.m1=2
Remember for penperdicular line the formula is m1m2=-1 or m2=-1/m1
:. the answer is -1/2
Y-2x=1
Rearrange, y=2x-1
:.m1=2
Remember for penperdicular line the formula is m1m2=-1 or m2=-1/m1
:. the answer is -1/2
Formula for slope of a line is y= mx + c. Where m is slope
Y= 2x + 1.
The equation of a perpendicular line must have a slope that is the negative reciprocal of the original slope.
Perpendicular slope = -1/2
Equation of a straight line y=mx+c
Rearranging y-2x=1;
We have y=2x+1:
Comparing with equation of a straight line:
Slope=m=2
THE CORRECT ANSWER IS A
THE CORRECT ANSWER IS (A )
Y=1+2X