the line 4y=-3+12 intersects the x axis at A and the y axis at B.find the coordinates of A and of B.

Question

coordinate geometry form 4

Answer 1

Assume this is 4y=-3x+12. When x=0, 4y=12, so y=3, the y-intercept B(0,3).

When y=0, 3x=12, so x=4, the x-intercept A(4,0).

AB=√(3²+4²)=√25=5.