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Vadim26 [7]
2 years ago
14

(5 - 2i) + (-4 + 81) O A. 5i B. 7i O c. 1-6 D. 1 + 6

Mathematics
2 answers:
Alborosie2 years ago
7 0

1 + 6i

we open the brackets to give us

5 - 2i - 4 + 8i

collecting like terms, we have,

-2i + 8i + 5 - 4

6i + 1

or

1 + 6i

Masja [62]2 years ago
5 0

Answer:

82 - 2i

Step-by-step explanation:

(5 - 2i) + (-4 + 81)

5 - 2i + 77

= <u>8</u><u>2</u><u> </u><u>-</u><u> </u><u>2</u><u>i</u>

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1 year ago
Write a quadratic relation in the form y = ax2 + bx + c with roots 4 and - 3 and
pochemuha

Answer:

y =  2*x^2 - 2*x - 24

Step-by-step explanation:

If we have a quadratic function with roots a and b, we can write the equation for that function as:

y = f(x) = A*(x - a)*(x - b)

Where A is the leading coefficient.

In this case, we know that the roots are: 4 and -3

Then the function will be something like:

f(x) = A*(x - 4)*(x - (-3) )

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This means that:

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Now we need to write this in standard form, so we just need to expand the equation:

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