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Question 1

For the graph shown:

a Cartesian plane. Parabola drawn with vertex (2, 3) and y intercept (0, 7).
the coordinates of the vertex are:
check answer for question 1a.
b the equation of the axis of symmetry is:
check answer for question 1b.

Question 2

The equation of the graph pictured could be:

Cartesian plane. Exponential graph shown. Passes through point s (0, 1), (2, 8).

check answer for question 2.

Question 3

The equation of the circle shown is:

Cartesian plane. Circle centre (0, 0). Passing through (2, 0), (0, 2), (–2, 0), (0, –2).

check answer for question 3.