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neonofarm [45]
3 years ago
9

The difference of 10 and u

Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0
Difference=subtraction 10-u
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How many complex zeros does the polynomial function have?<br> f(x)=−3x^6−2x^4+5x+6
REY [17]

one way would be to factor

I can't factor it so we will have to use Descartes' Rule of Signs which is helpful for finding how many real roots you have


it goes like this:

for a polynomial with real coefients, consider f(x)=-3x^6-2x^4+5x+6.

after arranging the terms in decending order in terms of degree, count how many times the signs of the coeffients change direction and minus 2 from that number until you get to 1 or 0. that will be the number of even roots the function can have

We have (-, -, +, +). the signs changed 1 times, so it has 1 real positive root


to get the negative roots, we evaluate f(-x) and see how many times the root changes

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

signs are (-, -, -, +). there was 1 change in sign

so the function has 1 real negative root



a total of 2 real roots


a function of degree n can have at most, n roots


our function is degree 6 so it has 6 roots

if 2 are real, then the others must be complex

6-2=4 so there are 4 complex roots


you can also show that there are only 2 real roots by using a graphing utility to see that there are only 2 real roots

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3 years ago
Since we don’t have math books to review can someone help with this and explain
vivado [14]

Answer:

Celsius is going up by 10's while Fahrenheit is going up by 18

Step-by-step explanation:

by subtracting the first two numbers then the next two you will see the pattern.

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Identify the ordered pair that describes the location of each point shown. Point A is located at . Point B is located at . Point
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Add than add again and plus x

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3 years ago
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Which is a perfect square?<br> 0 5<br> 0 8<br> 36<br> 44
Liono4ka [1.6K]

Answer:

C) 36

Step-by-step explanation:

Because 6^2=6*6=36.

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Need help with these, will pass more points for full answers
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Answer:

1. since B is the midpoint both the lines will be equal

2.angle bisector AC bisects the diagram into two equal parts

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