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3 years ago

1. If x-1 is a factor of p(x)=x^3-7x^2+15x-9, which of the following represents the complete factorization for p(x)?

Mathematics

2 answers:

Marina CMI [18]3 years ago

7 0

Answer:

1. Option B is the correct answer.

2. The point (1,0) lies on the graph of p(x)=x⁴-2x³-x+2.

Step-by-step explanation:

1. Dividing x³-7x²+15x-9 with (x-1).

$\frac{x^3-7x^2+15x-9}{x-1}=x^2-6x+9$

Factorizing x²-6x+9 we will get

x²-6x+9 = (x - 3)(x-3)

x³-7x²+15x-9 = (x-1)(x - 3)(x-3)

Option B is the correct answer.

2. We have p(x)=x⁴-2x³-x+2

That is y = x⁴-2x³-x+2

We have coordinates (1,0), substituting

y = 1⁴-2 x 1³-1+2 = 0

So when we are substituting x value as 1 we are getting y as zero, so the point lies in curve.

Snezhnost [94]3 years ago

4 0

<span>1.</span>divide P(x) by (x-1) to get the quadratic equation... from which can be solve using any method in finding the roots of quadratic equation....
2 true

branlist pls

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Answer:

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Step-by-step explanation:

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Then,

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According to the equation, that are the times for which the height will be 350 ft; that is because the rocket is going to ascend and then to fail again to the ground.

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Step-by-step explanation:

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