3 years ago

Find the solution mentally. -12 • c = 12

1 answer:

4 0

C=-1, you could do this mentally because it’s a multiple of 1. For instance in this case we are working with negatives, we know that the product must be positive and so negative times negative equals positive.

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Write a polynomial equation that is best represented by the graph.

Agata [3.3K]

So we gots apolynomial equation that is 3rd degree and crosses x axis at x=-1, x=0 and x=2

the factors of a poly equation that passes through r1,r2,r3 is
(x-r1)(x-r2)(x-r3)

so
r1=-1
r2=0
r3=2
f(x)=(x-(-1))(x-0)(x-2)
f(x)=(x+1)(x)(x-2)
f(x)=x³-x²-2x
leading coefient is posiitve because 3rd degree equations that are postive go bottom left to top right
yah
actually that looks like the exact graph

both
f(x)=(x+1)(x)(x-2)
and
f(x)=x³-x²-2x
are correct

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Ber [7]

Answer:

i guess it's will be C

Step-by-step explanation:

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