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snow_tiger [21]
3 years ago
12

I need help ASAP please

Mathematics
1 answer:
natta225 [31]3 years ago
8 0
The line thru (-3,0) and (-6,5) has this slope:

          5-0            5
m = ----------- = ------- = - 5/3
         -6-(-3)       -3

The y-intercept of the desired line is simply (0,0), and so b = 0 and the equation of this line is

y = (-5/3)x
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Is cube root of 250 rational or irrational? Use 2 strategies to justify your answer.
AysviL [449]
³√250 = ³√2 ³√125 = 5 ³√2 

<span>we need to show that ³√2 is irrational</span>
6 0
3 years ago
I don’t understand :(
viktelen [127]

Answer:

The quotient when x^3-4x^2-8x+8 is divided by x+2 is x^2-6x+4 with no remainder, so x+2 is a factor of p(x).

Step-by-step explanation:

As the question suggests, there are two ways to solve this problem: long division (which can always be used to divide polynomials), and synthetic division (which can only be used when you are dividing by something of the form (x-a). In this case, we may use synthetic division, since x+2 is equal to x-(-2). I will use synthetic division here as it is slightly faster than long division.

The -2 on the left represents that we are dividing by x-(-2), and the rest of the numbers in the top row are the coefficients of p(x): 1, -4, -8, and 8.

The first step in synthetic division is to being down the leading coefficient of the polynomial: in this case, the 1 (as indicated in red). Now, we multiply the 1 by -2. We get -2, which we place directly below the -4.

Next, we add directly down the column, (-4 + (-2) is equal to -6), and this answer is placed in the box below. We can continue this process, getting the coefficients 1, -6, 4, and 0 in the bottom row.

This is the answer: the quotient is x^2-6x+4, and the remainder is zero (which indicates that x+2 is a factor of p(x)).

--

Edit: long division

We may also solve this problem using long division (see the second image). The first step is to look at the leading coefficients: since x \times x^2 is equal to x^3, the first term in the quotient will be x^2. Since x^2 \times (x+2) is equal to x^3+2x^2, we must now subtract that from x^3-4x^2-8x+8.

We repeat the same process, as shown in the image. Since we eventually get to zero, the remainder is zero, and the polynomial at the top (x^2-6x+4) is the quotient.

<em>I know this might be difficult to follow, so please comment if you have any questions.</em>

4 0
3 years ago
Which of the following is not for a parallelogram
Zinaida [17]
Not sure but I think it's (3)
6 0
3 years ago
1.
AlladinOne [14]
The third one,    for every 6 french fries, there is 1 packet of ketchup.
5 0
3 years ago
Lily buys a sweater that is on sale for $42, which is 75% of the original price of the sweater. What was the original price of t
meriva
So first sivid 42 by 3 to get 14. Then multiply 14 by 4 to get 56. So the answer is C
5 0
3 years ago
Read 2 more answers
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