3 years ago

5

Mathematics

1 answer:

ycow [4]3 years ago

6 0

Answer:

5x - y =1 13htut yti rindu err err h is

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Ab and bc form a right angle at point B. if a= (-3,-1) and B= (4,4) what is the equation of BC?

Vesnalui [34]

Answer:

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Step-by-step explanation:

step 1

Find the slope of AB

we have

A(-3,-1) and B(4,4)

The slope m is equal to

$m=(4+1)/(4+3)$

$m=5/7$

step 2

Find the slope of BC

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

$m1*m2=-1$

we have

$m1=5/7$

substitute

$5/7*m2=-1$

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step 3

Find the equation of the line into slope point form

$y-y1=m(x-x1)$

we have

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substitute

$y-4=-(7/5)(x-4)$

Multiply by 5 both sides

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$7x+5y=28+20$

$7x+5y=48$

Multiply by -1 both sides

$-7x-5y=-48$

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