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ankoles [38]
3 years ago
8

Can somebody tell me if this is factorable? I've been trying this with a friend and we can't come up with any numbers. x^2 + 9x

- 4

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0
It cannot be factored, just use the quadratic formula or graph and find the minimum.

Hope I helped :)

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muminat
Let's you and me discuss a few things that you already know:

-- What's a y-intercept ?
The y-intercept on a graph is the place where it crosses the y-axis.

-- That's the value of 'x' at the y-intercept ?
The y-intercept is on the y-axis, so 'x' is zero there.

-- Good !  So how would you find the y-intercept of a function ?
You say that  x=0  and look at what 'y' is.

-- Very nice.  What's the function in this question ?
The function is

             f(x)  [or 'y']  =  x⁴ + 4x³ - 12x² -32x + 64   .

--  Excellent.   What's the value oif that function  (or 'y')  when  x=0  ?   

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3 0
3 years ago
Using a calculator change2 11/16 into a decimal
Natali [406]
Hey You!

2 11/16 = 2.6875 as a decimal.

That's Your Answer! ^
3 0
3 years ago
Read 2 more answers
What is the 3rd term in the sequence?​
makvit [3.9K]

Answer:

6

Step-by-step explanation:

To find the third term substitute n = 3 into the n th term formula

a(3) = \frac{3}{2}(-2)^{3-1}

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Question 13
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Answer:

  B.  30x

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Step-by-step explanation:

The distributive property lets you factor out the common factor of x. The sum of coefficients can be simplified to a single coefficient.

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5 0
2 years ago
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Answer:

( − ∞ , ∞ )  { x | x ∈ R }

Step-by-step explanation:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

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