Question

if a=(-6,10),b=(-4,6)and c=(3,-8) then the value of ab/ac

Answer 1

the Answerof this question is 2

Answer 2

ab = ( y(b) - y(a) ) ÷ ( (x(b) - x(a) )
ab = 6-10 ÷ -4+6
ab = -4 / 2
ab = -2

Same for ac
ac = -8-10 ÷ 3+6
ac = -18 / 9
ac = -2

ab/ac = -2 ÷ -2
= 1