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Which equation could be solved using the graph above?

Which equation could be solved using the graph above?-example-1

1 Answer

5 votes

Answer:

Option 3

Explanation:

we are given the graph of a parabola

with vertex at (0,-1) and symmetrical about y axis and also open up.

Hence the equation of the graph would be transformation of
y=x^2

by a vertical shift of 1 unit down.

So new equation after transformation would be


y+1=x^2

Or
y=x^2-1

Hence option 3 is right choice.

Verify:

Put Solving the equation we get


x^2=1


x=±1

In the graph x intercepts are the same as -1 and 1

Hence our answer is right.

User Tammye
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