Write this polynomial in standard form :8x^2 - 4x^3 + 12 - 5x

Mathematics

1 answer:

rodikova [14]2 years ago

3 0

Hello from MrBillDoesMath

Answer: -4x^3 + 8x^2 -5x + 12

Discussion:

Standard for for a polynomial meas tne power of x descend so standard fro of

8x^2 - 4x^3 +12 -5x is

-4x^3 + 8x^2 -5x + 12

Note: the problem statements shows this ":8x^2". I didn't know how to deal with the ":" character so simply ignored it.

Thank you,

Mr. B

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Ignore the erase marks but i have no clue how to do this. please help asap

madam [21]

Since they're vertical angles, they're equal in degree measure

since they're equal, we can make the two expressions equal to each other

5a - 1 = 2a + 20
add 1 to both sides

5a = 2a + 21
subtract 2a from both sides

3a = 21
divide both sides by 3a

a = 7

now, plug the answer you found for a into one of the two expressions

5a - 1 becomes (5*7) - 1, which equals 34

to double check that they're equivalent (since they're vertical angles)

2a + 20 becomes (2*7) + 20, which equals 34

both angles are 34 degrees!

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2 years ago

Write the missing exponent<br> 8=2

Mila [183]

Answer:

2^3 =8

Step-by-step explanation:

2*2 =4

4*2 =8

2*2*2 =8

2^3 =8

8 0