3 years ago

What is the distance from the origin to point P graphed on the complex plane below?

Mathematics

2 answers:

Ilia_Sergeevich [38]3 years ago

8 0

The answer is:

A) sqrt 7

Hope this helped!

11111nata11111 [884]3 years ago

6 0

Answer:

Sqrt 29

Step-by-step explanation:

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const2013 [10]

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2 years ago

Determine whether 81 − 49n4 is a difference of two squares. If so, factor it. If not, explain why.

Mumz [18]

We have

$81-49n^4=9^2-(7n^2)^2$

so this is indeed a difference of squares. Factorizing would give

$81-49n^4=(9-7n^2)(9+7n^2)$

making the answer D.

We can further factor the first term here and write

$9-7n^2=3^2-(\sqrt 7\,n)^2=(3-\sqrt7\,n)(3+\sqrt7\,n)$

but that's clearly out of the scope of this question.

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3 years ago

Factor Completely: 25x2 - 64 A) 5(x - 8)(x + 8) B) 5(x - 8)(x - 8) C) (5x - 8)(5x + 8) D) (25x - 1)(x + 64)

ZanzabumX [31]

Rewrite it in the form a^2 - b^2, where a = 5x and b = 8

(5x)^2 - 8^2

Use the Difference of Squares; a^2 - b^2 = (a + b)(a - b)

= C. (5x - 8)(5x + 8)

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3 years ago

Is n^2+50n+25 a perfect square

elixir [45]

Answer:

yes

Step-by-step explanation:

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2 years ago

A- 13 B- 26 C- 52 D- there is not enough information

NISA [10]

The answer is A, 13. Since we know line DB is a median (the middle), it tells us that line BC must equal line AB. Simply just do 26/2.

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3 years ago