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Ede4ka [16]
3 years ago
15

Is (x+1) a factor off (x)=x3+x2−4x−4? A) Yes B) No

Mathematics
2 answers:
Slav-nsk [51]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

If x + 1 is a factor, x = -1 has to be a root

(-1)³ + (-1)² - 4(-1) - 4

0

satela [25.4K]3 years ago
4 0

Remainder theorem again...

p(x)=x^3+x^2-4x-4

p(-1)=(-1)^3+(-1)^2-4(-1)-4=0

So Yes, x+1 is a factor.

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Help me please and thank you
fiasKO [112]

Answer:

$51.70

Step-by-step explanation:

I don't know how to explain it actually so I am just going to do this...

y= 0.1(x + 20) +7

y=0.1x + 2 + 7

y=0.1x +9

y=0.1(427)+9

y=42.7+9

y=51.7

So, maybe the answer is $51.70.

7 0
2 years ago
I need some help please
zvonat [6]
10 x 10 = 100  80 x 80 =6400 6400-100= 6300 so that would have to be  3150ft.

5 0
3 years ago
How are <1 and <4 related , please help I would appreciate it
Juli2301 [7.4K]
They are both vertical angles.
4 0
3 years ago
What is polynomials??? ​
mamaluj [8]

Answer:

Polynomial is an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

3 0
2 years ago
Read 2 more answers
I need some helppp people
dsp73

We can observe that the function describing the graph is linear and so the equation is of linear nature:

y=mx+n

Numbers m and n have special names. m is called the slope, n is called y-intercept.

From the graph one can tell that the line intercepts y-axis at y = -1 that means n = -1. What about the slope you say?

The slope can be calculated using two points' coordinates that lie on the line:

m=\frac{\Delta y}{\Delta x}=\frac{-1-5}{0-5}=\frac{6}{5}

Now our line has an equation,

y=\frac{6}{5}x-1

Hope this helps.

4 0
2 years ago
Read 2 more answers
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