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riadik2000 [5.3K]
3 years ago
8

What is a polynomial expression?

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
3 0

Step-by-step explanation:

a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. An example of a polynomial of a single indeterminate x is x2 − 4x + 7.

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(Marking Brainliest) What is the vertex form of the equation?<br><br>y = x^2 - 4x + 7​
AysviL [449]

Step-by-step explanation:

y = x² - 4x + 7

the general vertex form is

y = m(x-h)² + k

to bring the part "x² -4x" to an expression of (ax + b)² we need to add 4, as "x² - 4x + 4" = (x - 2)².

and since we add 4 there, we need to subtract 4 overall again to keep the value of the expression the same :

y = x² - 4x + 4 + 7 - 4 = (x - 2)² + 7 - 4 = (x - 2)² + 3

and so, that is the vertex form :

y = (x - 2)² + 3

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2 years ago
What does sum mean I don't know how to do it plz help​
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Answer:

Step-by-step explanation:

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3 years ago
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camie and jorge each saving money for a new computer camie saves $5 per week plus $50 she received for her birthday. jorge saves
ki77a [65]

Answer:

7w<u> > </u>5w + 50

Step-by-step explanation:

8 0
3 years ago
What is 6xy in simplest form?
Bogdan [553]

6xy in simplest form is simply 6 to the second power

Hope this helps!

7 0
2 years ago
SOMEONE PLEASE HELP ME
Ostrovityanka [42]

Answer:

28, 30, 32

Step-by-step explanation:

Three consecutive even numbers are three even numbers that are next to each other. For example, 2, 4 and 6 would be 3 consecutive even numbers.

With this sort of problem, you want to try to let each number be equal to one thing and then construct the same number of equations as you have variables:

Let's let,

Integer 1 = X

Integer 2 = Y

Integer 3 = Z

X + Y + Z = 90

We also know, that

Y = X + 2

And that

Z = X + 4

Now, we can sub these equations into the first equation. We do this so that we have everything represented as the same variable.

90 = X + (X+2) + (X+4)

90 = 3X  + 6

84 = 3X

28 = X

So, the numbers are 28, 30 and 32

8 0
3 years ago
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