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Marizza181 [45]
3 years ago
9

Is x+2 a factor of x^3 + 7x2 + 14x + 3?

Mathematics
1 answer:
Arada [10]3 years ago
5 0
<span>x³ - 4x² - 3x² + 12x + 2x - 8
= x²(x - 4) - 3x(x - 4) + 2(x - 4)
= (x - 4)(x² - 3x + 2)
= (x - 4)(x - 1)(x - 2)
</span>
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Find the equation of the circle​
Serga [27]

Step-by-step explanation:

Let's say the coordinates of Q are (h, k).

The slope of PQ is perpendicular to the tangent line.

(k − 2) / (h − 2) = -⅓

3(k − 2) = -(h − 2)

3(k − 2) = 2 − h

Solving for h:

h = 2 − 3(k − 2)

h = 2 − 3k + 6

h = 8 − 3k

(2, 2) is a point on the circle, so:

(2 − h)² + (2 − k)² = r²

Substituting:

9 (k − 2)² + (2 − k)² = r²

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The equation of the circle is:

(x − 8 + 3k)² + (y − k)² = 10 (k − 2)²

Without more information, there are an infinite number of possible solutions.  For example, if k = 1, the equation of the circle is:

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3 years ago
The sum of y and two, all divided by five
TiliK225 [7]

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The sum of two numbers is 87, and one number is eleven more than the other. fing the number​
lara31 [8.8K]

Answer: 49 and 38

Step-by-step explanation:

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38+11=49

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4 0
3 years ago
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maks197457 [2]

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