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Complex Numbers Flashcards

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10 questions

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1.

FLASHCARD QUESTION

Front

Conjugate of $-2+5i$

Back

$-2-5i$

2.

FLASHCARD QUESTION

Front

Back

C

3.

FLASHCARD QUESTION

Front

Back

C

4.

FLASHCARD QUESTION

Front

Solve $x^2+49=0$

Back

$\pm7i$

5.

FLASHCARD QUESTION

Front

Solve $3\left(x+4\right)^2=81$

Back

$x=-4\pm3\sqrt{3}$

6.

FLASHCARD QUESTION

Front

Solve the equation $x^2-2x+2=0$

Back

$x=1\pm i$

7.

FLASHCARD QUESTION

Front

Solve the equation $x^2-5x+8=0$

Back

$x=\frac{5\pm i\sqrt{7}}{2}$

8.

FLASHCARD QUESTION

Front

Solve the quadratic equation $x^2-3x+10=0$

Back

$\frac{3\pm i\sqrt{31}}{2}$

9.

FLASHCARD QUESTION

Front

Determine ALL solutions for the equation: $x^3-5x^2+5x-25=0$

Back

$x=5$ , $x=i\sqrt{5}$ , $x=-i\sqrt{5}$

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