exam Maths Puzzle Numerical Ability

Write a quadratic function in vertex form that has the given vertex and passes through the given point. Vertex (-2, -2) Point (1, -20)

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exam Other Question

Find the coordinate of the image of point (5, 7) translated down 5 units. Solve the following systems by graphing.

3x-6y=9
x-2y=3


-1(3x-6y)=9(-1)
-3(x-2y)=3(-3)
then

-3x+6y=-9
-3x+6y=-9

Am I doing this wrong because this does not look right?