MATHEMATICS MIDDLE SCHOOL

How many complex zeros does the polynomial function have?

F(x)=2x^4 +5x^3 - x^2 +6x-1

Answers

Answer 1
Answer:

Answer:

Two complex roots.

Step-by-step explanation:

F(x)=2x^4 +5x^3 - x^2 +6x-1

is a polynomial in x of degree 4.

Hence F(x) has 4 roots.  There can be 0 or 2 or 4 complex roots to this polynomial since complex roots occur in conjugate pairs.

Use remainder theorem to find the roots of the polynomial.

F(0) = -1 and F(1) = 2+5-1+6-1 = 11>0

There is a change of sign in F from 0 to 1

Thus there is a real root between 0 and 1.

Similarly by trial and error let us find other real root.

F(-3) = -1 and F(-4) = 94

SInce there is a change of sign, from -4 to -3 there exists a real root between -3 and -4.

Other two roots are complex roots since no other place F changes its sign

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Find the sum of -5,16,2

Answers

13 because -5+16+2 is simply 18-5 so therefore your left with 13

Find the greatest common factor of 25 and 33 .

Answers

factor and find commmon ones
25=1*5*5
33=1*3*11

GCF=1
(I am noticing that GCF=1 for many of your questions)

Do you guys think that we should have less homework plz answer it'll help me with my writing piece

Answers

Yes, we should have less homework. Especially when you get to high school, I find myself in situations where I stay up until 2AM doing homework, not even because of procrastination or distractions but because of the sheer amount of homework and classes that we take. You have it easy kid, but definitely less homework would be great. Also, if you take a lot of extracurricular things like me, like tennis, violin, guitar, math, science, composition, etc., you can definitely find yourself hysterical, especially after a stressful day.

Hot dogs buns come in packages of 8 for the school picnic mr spencer bought 30 packages of hot dog buns . How many hot dog buns did he buy

Answers

Answer:

240 buns

Step-by-step explanation:

Hot dogs buns come in packages of 8.

Mr Spencer bought 30 packages of hot dog buns for the school picnic.

We have to multiply 30 packages with number of buns in one package.

He bought total number of hot dog buns = 30 × 8

                                                                    = 240 buns

Mr. Spencer bought 240 hot dog buns.
He bought 240 hot dog bun for the picnic you need to multiply 30x8=240

I have a summer geometry packet and I am confused with this question: In the same circle, or congruent circles, congruent central angles have congruent arcs.
[1] TRUE [2] FALSE

Answers

The statement is true.

Let me just say it a different way, and I think you'll see it:

"In the same pie, or same-size pies, if you cut pieces with the same angle at
the points, then the length of their curvy crusts at the other end is the same,"

I am facing east, then I turn through one hundred and eighty degrees.What direction am I facing now

Answers

You are now on West. 180 degrees is straight. If you walk straight from any angle of a circle on any start of East, West is what you step on.  
the Answer to this question is:West.
Hope this helps! (:
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