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Alex
3 years ago
14

a student claims -4i is the only root of a quadratic polynomial equation that has real coefficients whats the students mistake a

nd write one possible polynomial that has the correct roots from part a in standard form
Mathematics
1 answer:
barxatty [35]3 years ago
7 0

Answer:

word word word not the answer

Step-by-step explanation:

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sertanlavr [38]

Since there is a right angle, you can use Pythagoras' Theorem:

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3 years ago
please help me to solve this word problems leading to quadratic equation: A girl is 6 years younger than her brother. the produc
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Answer:

Brother is 70.5 and sister is 64.5

Step-by-step explanation:

you will need to set up a simple equation and give out variables.

Girls age = 6-x

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the you will take those 2 and add them and place them equal to 135:

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The brother's age would be 70.5 then and the girl's would be 64.5

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