What does it mean to multiply complex numbers?

Multiplying complex numbers involves using the distributive property and combining like terms, remembering that $$i^2 = -1$$ .

What is the simplified form of $$(-10 + 6i)/17$$ ?

The simplified form is $$(-10 + 6i)/17$$ .

What is the result of simplifying $$(-21 + 33i)/34$$ ?

The result is $$(-21 + 33i)/34$$ .

What is the definition of a complex number?

A complex number is a number that can be expressed in the form $$a + bi$$ , where $$a$$ and $$b$$ are real numbers and $$i$$ is the imaginary unit.

What is the imaginary unit $$i$$ ?

The imaginary unit $$i$$ is defined as $$i = \text{sqrt}(-1)$$ .

How do you combine like terms in an expression?

To combine like terms, add or subtract the coefficients of terms that have the same variable and exponent.

What is the significance of the quadratic formula?

The quadratic formula, $$x = \frac{{-b \text{±} \text{sqrt}(b^2 - 4ac)}}{{2a}}$$ , is used to find the roots of a quadratic equation.

Quadratic function: word problems Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a quadratic function?

Back

2.

FLASHCARD QUESTION

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

3.

FLASHCARD QUESTION

Front

What is the area of a rectangle?

Back

4.

FLASHCARD QUESTION

Front

How do you find the width of a picture frame if the length is 8 cm more than the width?

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

If the area of a picture frame is 65 square cm and the length is 8 cm more than the width, what is the width?

Back

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