exam Maths Puzzle Numerical Ability

Graph each of the following quadratic equations after completing the given table of values.
y=-x^2- 2

x y
-2
-1
0
1
2

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exam Other Question

if 20lb of rice and 10lb of potatoes cost $16.20, and 30lb of rice and 12lb of potatoes cost $23.04, how much will 10lb of rice and 50lb of potatoes cost? Find the following product

13.(y - 5)(y - 7)

a)2y - 35 b)2y^2 - 35 c)y^2 - 12y + 35 d) y^2 + 12y - 35