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katovenus [111]
3 years ago
14

Factor h^2-4k^2+4h-8k

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

<span> h^2-4k^2+4h-8k 

</span>Factor the expression.<span><span>(<span>h<span><span>−2</span>k</span></span>)</span><span>(<span><span>h+<span>2k</span></span>+4</span>)</span></span>

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Please help!!! <br> I’m so bad at math.
marishachu [46]

Answer:

x = - 9 , 6

Step-by-step explanation:

The given function is  

h(x) = \frac{x - 8}{x^{2} + 3x - 54}

⇒ h(x) = \frac{x - 8}{(x - 6)(x + 9)}

Therefore, the value of h(x) will be undefined for the denominator equal to zero.

So, (x + 9)(x - 6) = 0

⇒ x = - 9 and x = 6

Therefore, the values of x which are not in domain of function h(x) are x = - 9 , 6. (Answer)

4 0
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Question 6 of 10
Veseljchak [2.6K]
Answer: A

Explanation:

y = [x] - 2

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3 years ago
Interval is 0, 2pi) 4 sin^2x-4 sin x + 1 = 0
svetoff [14.1K]

Answer:

\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}}

Step-by-step explanation:

4\sin^2x-4\sin x+1=0\\\\2^2\sin^2x-2(2\sin x)(1)+1^2=0\\\\(2\sin x)^2-2(2\sin x)(1)+1^2=0\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(2\sin x-1)^2=0\iff2\ain x-1=0\qquad\text{add 1 to both sides}\\\\2\sin x=1\qquad\text{divide both sides by 2}\\\\\sin x=\dfrac{1}{2}\to x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}

8 0
3 years ago
NO LINKS PLEASE! AND NO NEGATIVITY!
nirvana33 [79]
D because the rest have the same terms which are either all p’s at the end of the number or all m’s or nothing
3 0
2 years ago
Read 2 more answers
Determine whether any of the ratios below are proportional. 10/45, 20/90 and 6/27
RoseWind [281]

Answer:

Yes, all three of them are proportional

Step-by-step explanation:

First, let's simplify them all the way:

10/45 = 2/9

20/90 = 2/9

6/27 = 2/9

All three of these ratios simplified down to their simplest form are 2/9, meaning that they are all proportional.

7 0
2 years ago
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