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pashok25 [27]
2 years ago
10

(Algebra II) Which equation is best represented by the graph above?

Mathematics
1 answer:
kodGreya [7K]2 years ago
5 0
<h3>Answer:</h3>

B). y = (x -3)(x +1)(x -1)

<h3>Step-by-step explanation:</h3>

The zeros of the function are -1, 1, and 3, so the factors are (x +1), (x -1), and (x -3).

Selection B is the only choice that has these three factors.

_____

<em>Comment on zeros and factors</em>

When x = a is a zero of a polynomial function, (x -a) is a factor.

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Solve the proportion. 8/3 = g/3
Semmy [17]
Expression: 8/3 = g/3

Denominators are same, so cancel them from each other.

g = 8

In short, Your Answer would be: 8

Hope this helps!
5 0
3 years ago
Can anyone help me in explaining subtraction of polynomials please help I’m desperate and I’m pretty much on my own when it come
Sidana [21]

Answer:

Think of combining <u>like terms</u> when subtracting polynomials. For example, 3x² and -2x². They both have x² in common. So, if you were to combine 3x² and -2x², it would be like 3x² + (-2x²). Think of this like 3 + (-2), which equals 1. In this case, it would equal 1x² or x².

Let's take this problem for example: 6x² - 3x + 4 - (-2x² +2x - 2)

Parentheses are super important; The first thing you want to do is distribute the negative sign out to everything inside the parentheses!

So,

6x² - 3x + 4 - (-2x² +2x - 2) *multiply the neg. to -2x², 2x, and -2

Now, if you do that, the equation would now look like:

6x² - 3x + 4 + 2x² - 2x + 2

Now think of combining like terms. Here are the like terms:

6x² <em>- 3x</em> <u>+ 4</u> + 2x² <em>- 2x</em> <u>+ 2</u> (Let's rewrite it to look like this...)

6x² + 2x² <em>- 3x</em> <em>- 2x </em><u>+ 4</u> <u>+ 2</u>

Let's combine the x²'s first, so... 6x² + 2x² = 8x²

Let's combine the x's, so...<em> -3x - 2x = -5x</em>

Let's combine the constants (numbers with no variable), so... <u>4 + 2 = 6</u>

<u />

Your solution should be 8x² - 5x + 6

4 0
2 years ago
The APR of Percy’s savings account is 4.4%, and interest is compounded monthly. If the principal in Percy’s savings account were
lutik1710 [3]

Answer:$11,389.39

Step-by-step explanation:

(Apex)

8 0
2 years ago
Rotate the cracker either 90 degrees or 180 degrees and either CW or CCW around each of the three points A, B, C. When does the
almond37 [142]
I need a picture so that I could see the diagram
3 0
3 years ago
Based on the sample of 500 people, 42% owned cats. Calculate the test statistic. Round to two decimal places.
Tanzania [10]

Answer:

z= 3.63

z for  significance level = 0.05 is ± 1.645

Step-by-step explanation:

Here p = 42% = 0.42

n= 500

We formulate our null and alternative hypotheses as

H0: p= 0.42     against Ha : p> 0.42 One tailed test

From this we can find q which is equal to 1-p= 1-0.42 = 0.58

Taking p`= 0.5

Now using the z  test

z= p`- p/ √p(1-p)/n

Putting the values

z= 0.5- 0.42/ √0.42*0.58/500

z= 0.5- 0.42/ 0.0220

z= 3.63

For one tailed test the value of z for  significance level = 0.05 is ± 1.645

Since the calculated value does not fall in the critical region we reject our null hypothesis  and accept the alternative hypothesis that more than 42%  people owned cats.

4 0
3 years ago
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