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makvit [3.9K]
3 years ago
10

Suppose you want to buy bouquets of flowers for a party. An equation that represents the cost, y, in dollars for x bouquets is y

=17x. Does this equation represent a proportional relationship?
a)No, the graph of the equation is not a straight line.
b)No, the graph of the equation does not pass through the origin.
c)Yes, the graph of the equation is a straight line passing through the origin.
Mathematics
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Marizza181 [45]3 years ago
4 0

Answer:

No, the graph of equation does not pass through the origin

Step-by-step explanation:

because it doesn't pass so no

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<u>Roots of a polynomial</u>

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We know three of the roots of the degree-5 polynomial are:

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x_4=-\sqrt{7}\boldsymbol{i}:\ x_3=+2\boldsymbol{i}

Let's build up the polynomial, assuming a=1:

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Since:

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P(x)=(x)(x^2+7)(x^2+4)

Operating the last two factors:

P(x)=(x)(x^4+11x^2+28)

Operating, we have the required polynomial:

\boxed{P(x)=x^5+11x^3+28x}

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