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Usimov [2.4K]
3 years ago
11

In the expression 12a + 5, identify the coefficient.

Mathematics
1 answer:
finlep [7]3 years ago
7 0
The coefficient is the number proceeding a variable, and in this case it is 12.
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3 years ago
(x-2) is a factor of x^2-3x^2+kx+14. The value of k is?​
BartSMP [9]

Answer:

k = 5

Step-by-step explanation:

I will assume that your polynomial is

x^2 - 3x^2 + kx + 14

If x - a is a factor of this polynomial, then a is a root.

Use synthetic division to divide (x - 2) into x^2 - 3x^2 + kx + 14:

 2      /      1     -3     k     14

                        2     -2    2k - 4

         -------------------------------------

               1        -1    (k - 2)   2k - 10

If 2 is a root (if x - 2 is a factor), then the remainder must be zero.

Setting 2k - 10 = to zero, we get k = 5.

The value of k is 5 and the polynomial is x^2 - 3x^2 + 5x + 14

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I need help finding the area of the fish tank?
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Answer:

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Step-by-step explanation:

I hope this helps :)

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