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Which equation could be solved using the graph above?

A. x^2+4x+3=0
B. x^2-4x+3=0
C. x^2-6x+9=0
D. x^2-1=0

Which equation could be solved using the graph above? A. x^2+4x+3=0 B. x^2-4x+3=0 C-example-1

1 Answer

3 votes

For this case, the first thing we must observe are the cut points of the parabola with the horizontal axis.

We have then:


image

Therefore, we can write the equation in its factored form as follows:


image

Rewriting we have:


image

Answer:

The equation that could be solved using the graph above is:

A.
x ^ 2 + 4x + 3 = 0

User Andrey Ravkov
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