Question

Solve graphically y = 2x - 6 and y = -2x + 10. Write down the co-ordinates of the point of intersection of the two lines.

Answer 1

2x-6=-2x+10
4x=16
x=4
y=2
point of intersection at (4,2)

Answer 2

line 1 passes through (0,-6) n (3,0)
line 2 passes through (0,10) n (5,0)

Answer 3

draw the lines by joining the points

Answer 4

http://www.wolframalpha.com/input/?i=y+%3D+-2x+%2B+10%2Cy+%3D+2x+-+6+

Answer 5

Oh wow. Thanks learned something new today.