Question

Quadratic functions q and w are graphed on the same coordinate grid.

The vertex of the graph of q is 18 units below the vertex of the graph of w.
Which pair of functions could have been used to create the graphs of q and w?
)= 18x2 and w(x) = x²
dx)= x2 + 18 and w(x)=x²
dx)=18x2 and w(x) = x²
Oqx)=x²-18 and w(x) = x²
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Answer 1

Answer: The correct pair of functions that could have been used to create the graphs of q and w is:

q(x) = x² - 18 and w(x) = x²

The vertex of the graph of q is (0, -18) and the vertex of the graph of w is (0, 0). Since the vertex of the graph of q is 18 units below the vertex of the graph of w, this is the pair of functions that would produce the given information.

Explanation: