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mote1985 [20]
3 years ago
8

The lines y=3x-1 and y=ax+2 are perpendicular if a=___

Mathematics
2 answers:
mezya [45]3 years ago
8 0

Answer:

a = \frac{-1}{3}.

Step-by-step explanation:

The equation of line in the form .

y = mx + c

Where m is the slope and c is the y- intercept .

As given

The lines y=3x-1 and y=ax+2 are perpendicular .

Here 3 is slope for equation of line  y=3x-1 and a is slope for equation of line

y=ax+2 .

Now by using properties of the perpendicular lines property .

When two lines are perpendicular than slope of one line is negative reciprocal of the other line .

Thus

a = \frac{-1}{3}

Therefore a = \frac{-1}{3}.

givi [52]3 years ago
4 0
To find the perpendicular slope, you find the reciprocal  of the slope (in this case, 1/3) and multiply that by -1 (in this case, it gets -1/3)
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