contestada

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

Respuesta :

Answer:

[tex]y=\frac{-7}{5}x+\frac{48}{5}[/tex] is equation of BC

Step-by-step explanation:

Given that AB and BC form a right angled triangle at point B.

i.e. BC is perpendicular to AB

Line AB contains two points (-3,-1) and (4,4)

Slope of AB =[tex]\frac{y2-y1}{x2-x1} =\frac{4+1}{4+3} =\frac{5}{7}[/tex]

Slope of BC would be -1/slope of AB since AB and BC are perpendicular

Slope of BC =\frac{-7}{5}

Also we got a point on BC as B.

Use point slope formula

[tex]y-y1=m(x-x1)\\y-4=\frac{-7}{5}(x-4)\\y=\frac{-7}{5}x+\frac{48}{5}[/tex][tex]y-y1=m(x-x1)\\y-4=\frac{-7}{5}(x-4)\\y=\frac{-7}{5}x+\frac{48}{5}[/tex]

Answer:

-7x − 5y = -48

Step-by-step explanation:

This was correct on plato :D