3 years ago

What is the slope of a line that passes through (-12,15) and (0,4)

1 answer:

7 0

Answer:

D. -11/12

Step-by-step explanation:

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Dominik [7]

In order to factor a polynomial, you have to find its roots

$x_1,\ x_2,\ldots,x_n$

So that you can factor it as

$p(x)=(x-x_1)(x-x_2)\cdots(x-x_n)$

So, in this case, we're looking for the solutions of

$3x^2-25=0 \iff 3x^2=25 \iff x^2 = \dfrac{25}{3} \iff x=\pm\sqrt{\dfrac{25}{3}}=\pm\dfrac{5}{\sqrt{3}}$

So, the polynomial can be written as

$3x^2-25 = \left(x-\dfrac{5}{\sqrt{3}}\right)\left(x+\dfrac{5}{\sqrt{3}}\right)$

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3 years ago

SOVA2 [1]

Answer:

Step-by-step explanation:

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2 years ago

barxatty [35]

B,C and D are correct because all of those choices include letters which are arranged in order from left of right.

5 0

3 years ago

labwork [276]

It should be the 3rd one but idk for sure. if its not then its the 3rd one

8 0

3 years ago

kondaur [170]

The answer is C. Use the quadratic formula to solve it and you should be just fine!

3 0

3 years ago

What is the slope of a line that passes through (-12,15) and (0,4)​