Question

The coordinates below represent two linear equations. How many solutions does this system of equations have?

Line 1
x y
–4 8
4 6

Line 2
x y
–1 1
3 5










A.

0






B.

exactly 1






C.

exactly 2






D.

infinitely many

Really bad at graphs....Help me please!

Answer 1

first find slopes of two lines

Answer 2

(x1,y1)= (-4,8)
(x2,y2) = (4,6)

slope of first line = m1 = (y2- y1)/(x2 - x1)