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Triss [41]
4 years ago
8

How many no real complex roots does the polynomial f (x) = x^4 - x^2- 12 have?

Mathematics
1 answer:
asambeis [7]4 years ago
6 0
<h3>Answer:</h3>
  • 2 real roots
  • 2 complex roots
<h3>Step-by-step explanation:</h3>

f(x) factors as ...

... f(x) = (x² -4)(x² +3) = (x -2)(x +2)(x² +3)

The real roots are x = ±2.

The complex roots are x = ±i√3.

___

We don't know what "no real complex roots" means. We suspect your answer may be C. 2.

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What is the slope of 4,17 and 1,8
Sindrei [870]

Answer:

Slope (m)= 3

Step-by-step explanation:

m= (Y2-Y1)/(X2-X1)

m= (17-8)/(4-1)

m= 9/3

m=3

8 0
3 years ago
What is the 7th term of the geometric sequence where a1 = -5 and a5 = -1,280?
8_murik_8 [283]
Any geometric sequence can be expressed as:

a(n)=ar^(n-1), a=initial term, r=common ratio, n=term number.

Here we are give the initial term so we have to solve to solve for the common ratio...

a(5)=-1280 and a(1)=-5 so

-1280=-5r^(5-1)

-1280=-5r^4

256=r^4

256^(1/4)=r

4=r, so our sequence is:

a(n)=-5(4^(n-1)), so the 7th term is:

a(7)=-5(4^6)

a(7)= -20480


3 0
3 years ago
HELP!
Lubov Fominskaja [6]
I’m pretty sure the last answer is the correct one!
6 0
4 years ago
1 A rectangular pool in your friend's yard is 150 ft. X 400 ft. Create a scale drawing with a scale factor of Use a table or an
svlad2 [7]
You could divide both sides by two to get a rectangle that is 75 by 200
4 0
3 years ago
How do I solve this equation 144=-12(x+5)
Papessa [141]
First you distribute the -12 to the (x+5) getting 144=-12x-60.

Next you add 60 to each side getting 204=-12x

Then you divide each side by -12 getting -17=x, which is the answer.<span />
6 0
3 years ago
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