3 years ago

Find a degree 3 polynomial with real coefficients having zeros 4 and 2i and a lead coefficient of 1. Write P

Mathematics

1 answer:

iren2701 [21]3 years ago

4 0

Answer:

x^2 - 2xi - 4x +8i

Step-by-step explanation:

(x -4) (x -2i) (x+2i)

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-4(3 - 2x) + 2x = 2x - 8

aniked [119]

C 1/2 is the correct answer

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3 years ago

A company that makes hair-care products had 2,000 people try a new shampoo. Of the 2,000 people, 4 had a mild allergic reaction.

bazaltina [42]

Answer:

0.2%

Step-by-step explanation:

2,000 people tested the new shampoo.

4 people had a mild allergic reaction.

4 is what percentage of 2,000?

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2 years ago

Which equation represents the line that passes through (-8,11) and

Elena-2011 [213]

Answer:

A) y = -5/8x + 6

Step-by-step explanation:

y2 - y`1 / x2 - x1

7/2 - 11 / 4 - (-8)

-15/2 / 12

= -5/8

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4 0

2 years ago

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Please find the measure of the exterior angle

makvit [3.9K]

Answer:

exterior angles:

144°and 36°

126° and 54°

90° and 90°

Step-by-step explanation:

we know that each angle in a triangle adds up to 180°.

so,

2x+3x+5x=180

10x=180

x=180/10

x=18

the interior angles are:

2x=36°

3x=54°

5x=90°

and explanation is provided to find the exterior angles above.(sorry for the bad handwriting)

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3 years ago

Definition: The ___ tells how fast a line rises or falls between any two points on that line. Algebraically it is expressed as (

liraira [26]

The answer is the slope which is rise over run.

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3 years ago

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