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creativ13 [48]
3 years ago
14

Deirdre is factoring the polynomial x2 + 2x – 24. Which combination can she use to replace the middle term, 2x?

Mathematics
2 answers:
mafiozo [28]3 years ago
3 0

to replace 2x we need +6x-4x

Naddika [18.5K]3 years ago
3 0

Answer:

6x - 4x

Step-by-step explanation:

x^2 + 2x – 24

We need to find out the factors that replace the middle term +2x

Constant term is -24

coefficient of middle term is +2

We need to find out two factors whose product is -24  and sum is +2

6  times (-4) = -24

6  + ( -4) = 2

So 6  and -4 gives us product -24  and sum +2

the middle term +2x can be written as 6x - 4x

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siniylev [52]
You didn’t give the rest of the answer hun
8 0
3 years ago
I dentist the slope and a point on the line
Anika [276]

Answer:

2/3 (0,-3) is one possible answer.

Step-by-step explanation:

y  -1 = 2/3(x-6)  We want to get this into the slope intercept form of a line.  We want it to be in the form y = mx + b.  Let's clear the fraction first by multiplying the whole equation through by 3.

3(y - 1) = 3[2/3(x - 6)]

3y -3 = 2(x -6)

3y - 3 = 2x -12

3y = 2x - 9  Now divide all the way through by 3 to get

y = 2/3x - 3  

y = mx + b.  The m part is the slope.  In this equation the slope is 2/3

There are in infinite amount of points on a line.  I do not know if they give you a picture or if you are just to create your own.  I am going to create a point that have x = 0.  I get to pick the point.  I could pick any number.  0 is just usually really easy.  So, if I substitute 0 for x I will get:

y = 2/3(0) - 3

y = 1  so my point is (0,-3)

Now that I think about it, I do not think that I would start out clearing the fraction even though it works.  I think that I would do it like this"

y - 1 = 2/3(x - 6)  Distribute the 2/3 through (x - 4) to get

y-1 = 2/3x -4  I can make -6 a fraction by putting it over 1.  Now we have 2/3(-6/1)  multiply across to get  -12/3.  A positive times a negative is a negative.  -12 divided by 3 is -4.

y - 1 = 2/3x -4   now add 1 to both sides.

y = 2/3x -3

6 0
1 year ago
What is the next number in the sequence? 7, 16, 8, 27, 9,
katrin2010 [14]
30, 10
hope this helps
3 0
3 years ago
Solve for x 3x-8/2=x - 6
Liula [17]

Answer: X=-1

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP! Using synthetic division, find (2x^4+4x^3+2x^2+8x+8)/(x+2)
aalyn [17]
-2   |   2    4    2    8    8
.     |   .    -4    0   -4   -8
-------------------------------
.     |   2    0    2    4    0

which translates to

\dfrac{2x^4+4x^3+2x^2+8x+8}{x+2}=2x^3+2x+4
7 0
3 years ago
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