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katovenus [111]
3 years ago
9

Which polynomial could have the following graph?

Mathematics
2 answers:
zubka84 [21]3 years ago
8 0
Hi,
Roots are 2, -1,-3.So y=(x-3)(x+1)(x+3)
Answer B
babunello [35]3 years ago
8 0

Answer: y=(x-2)(x+1)(x+3)

Step-by-step explanation:

From the given graph, it can be seen that the x intercepts of the graph are

x=-3,\ x=-1,\ x=2

It implies the value of y at the above points must be zero.

[x-intercept is of the form (a,0), where the value of y is zero.]

It implies x=-3,\ x=-1,\ x=2 are the zeroes of the polynomial graphed.

It implies (x-2),\ (x+1),\ (x+3) are the factors of the polynomial graphed.

[By Factor theorem]

Thus the polynomials should be :  y=(x-2)(x+1)(x+3) which is the correct polynomial for the given graph.

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