exam Maths Puzzle Numerical Ability

If f(x)=a(x-2)2 +3, is the function whose graph contains the point (4,9), find a. I answered 4/9. Is that correct? Please work so I can see. Thanks

Read Solution (Total 0)

exam Other Question

how would I write this out in Ax + By + C = 0?

y - 15 = 12(x + 14) The edge of a 4-meter long ladder is 3.5 meters from the base of a building. Will the top of the ladder reach a window that is 3.8 meters from the ground? Can you also explain it?