exam Maths Puzzle Numerical Ability

I do not understand the fromula that I must use to solve the equation. My teacher has failed to explain it to me. I was no there for the notes and there are none to copy because he

Read Solution (Total 0)

exam Other Question

How would you write an equation for a line going through points (3,2) and (-2,4). how do i graph this inequality? i do not understand the way my text book explains it because what it tells me is "graph the boundary curve, y=-x^2+4. use a solid line because the s