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2 years ago

If f'(x) = 0 at x = -2, 0, and 2

Mathematics

1 answer:

Sedbober [7]2 years ago

5 0

Answer:

12345678754324567876

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Factorise 9w² - 100<br><br><br>

ohaa [14]

Answer:

$9\, w^{2} - 100 = (3\, w - 10) \, (3\, w + 10)$ .

Step-by-step explanation:

Fact:

$\begin{aligned} & (a - b)\, (a + b)\\ =\; & a^{2} + a\, b - a\, b - b^{2} \\ =\; & a^{2} - b^{2} \end{aligned}$ .

In other words, $(a^{2} - b^{2})$ , the difference of two squares in the form $a^{2}$ and $b^{2}$ , could be factorized into $(a - b)\, (a + b)$ .

In this question, the expression $(9\, w^{2} - 100)$ is the difference between two terms: $9\, w^{2}$ and $100$ .

$9\, w^{2}$ is the square of $3\, w$ . That is: $(3\, w)^{2} = 9\, w^{2}$ .
On the other hand, $10^{2} = 100$ .

Hence:

$9\, w^{2} - 100 = (3\, w)^{2} - (10)^{2}$ .

Apply the fact that $a^{2} - b^{2} = (a - b) \, (a + b)$ to factorize this expression. (In this case, $a = 3\, w$ whereas $b = 10$ .)

$\begin{aligned}& 9\, w^{2} - 100 \\ =\; & (3\, w)^{2} - (10)^{2} \\ = \; & (3\, w - 10)\, (3\, w + 10)\end{aligned}$ .

8 0

2 years ago

How many full hours will it take for the number of amoeba to reach 1 million

dimulka [17.4K]

Answer:

250,000 hours

Step-by-step explanation:

if 2 amoeba takes half an hour then 4 amoeba will take 1 full hour then use 4 to divide 1 million.

If u were to use 2 amoeba to half an hour you will have to divide 1 million into two which is 500,00

5 0

2 years ago

Q. Ross and Chandler go to Taco Land and order sodas for a total of $3.50.

ICE Princess25 [194]

Answer:1.75t + 3.50 ≤ 20

Step-by-step explanation:hope this helps :)

6 0

3 years ago

Can somebody help me? Thanks!

ICE Princess25 [194]

Answer: both our A

Step-by-step explanation:

8 0

3 years ago

Evaluate the expression when a=9.<br> 2a2

guapka [62]

Answer:

Step-by-step explanation:

Substitute the A for the 9, since A=9, and multiply the numbers

5 0

3 years ago

Read 2 more answers