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harkovskaia [24]
3 years ago
8

Will mark brainliest if right!

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
7 0

A quartic trinomial needs:

  • 3 terms
  • a degree of 4
<h3>A. 2x^4-2x+6 </h3>
  • 3 Terms - 2x^4, -2x, 6
  • Degree of 4 - 2x^4

The others are wrong because:

B has 4 terms.

C has a degree of 2.

D have 4 terms and a degree of 2.

Hoochie [10]3 years ago
4 0

Answer:

A Quartic Trinomial is a polynomial whose highest power of the variable is four.

That being said, I believe it is A. 2x^4-2x+6

Step-by-step explanation:

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Roman55 [17]

Answer:

Explanation:

To simplify a polynomial, we have to do two things: 1) combine like terms, and 2) rearrange the terms so that they're written in descending order of exponent.

First, we combine like terms, which requires us to identify the terms that can be added or subtracted from each other. Like terms always have the same variable (with the same exponent) attached to them. For example, you can add 1 "x-squared" to 2 "x-squareds" and get 3 "x-squareds", but 1 "x-squared" plus an "x" can't be combined because they're not like terms.

Let's identify some like terms below.

f(x)=−4x+3x2−7+9x−12x2−5x4

Here you can see that -4x and 9x are like terms. When we combine (add) -4x and 9x, we get 5x. So let's write 5x instead:

f(x)=5x+3x2−7−12x2−5x4

Let's do the same thing with the x-squared terms:

f(x)=5x+3x2−7−12x2−5x4

f(x)=5x−9x2−7−5x4

Now there are no like terms left. Our last step is to organize the terms so that x is written in descending power:

f(x)=−5x4−9x2+5x−7

Step-by-step explanation:

5 0
3 years ago
Please answer this correctly without making mistakes
Mnenie [13.5K]

Answer:

<

Step-by-step explanation:

750,000,000 times 10^5 can be expressed as 7.5 times 10^{11}

7.55 times 10^13 is greater than 7.5 times 10^11.

3 0
3 years ago
Read 2 more answers
To solve the equation for x by completing the square what equation is equivalent to x^2-x-2=0
GuDViN [60]
So to complete the square in
ax^2+bx+c=d form

make sure a=1
subtract c from both sides
take 1/2 of b and square it
add that to both sides
factor perfect square

1x^2-1x-2=0
a=1
move c to other side
add 2 to oth sides
x^2-1x=2
take 1/2 of b and square it
1/2 of -1=-1/2
squaer it
1/4
add that to both sides
x^2-1x+1/4=2+1/4
factor left side
(x-1/2)=2+1/4

first blank is 1/2

2+1/4=8/4+1/4=9/4

blanks are
1/2 and 9/4
3 0
3 years ago
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