1.

AB and BC form a right angle at point B. If A = (-3, -1) and B = (4, 4), what is the equation of BC?A. x + 3y = 16B. 2x + y = 12C. -7x − 5y = -48D. 7x − 5y = 48

Answer»

Step-by-step explanation:

A(-3,-1)

B(4,4)

m(AB)=y2-y1/x2-x1

=4+1/4+3

=5/7

m(AB)*m(BC)= -1

m(BC)= -7/5

Equation of BC

y-y1=m(x-x1)

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

5y-20= -7x+28

5y+7x-48=0

therefore the ANSWER is OPTION C



Discussion

No Comment Found

Related InterviewSolutions