Section 2.1 Flashcards

1
Q

The difference of complex numbers is what?

A

(a+bi)- (c+di)=(a-c) + (b-d)i

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2
Q

What do you reduce -10+14i/37 to be?

A

-10/37 + 14/37 i

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3
Q

What is standard form for imaginary numbers.

A

Real numbers first, then imaginary, and separate fractions so real numbers are in their own fraction and imaginary numbers are in their own fraction and the i should go outside the fraction.

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4
Q

What is the standard form of a quadratic equation?

A

f(x)=a(x-h)2 + k, a is not = 0

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