WEEK 1C (ALG 2)

Front

What is the result of the expression (3 + 2i) + (4 - 5i)?

Back

7 - 3i

Tags

CCSS.HSN.CN.A.2

Front

Write the expression 10^(3/2) in radical form.

Back

10√10

Tags

CCSS.HSN.RN.A.2

Front

What does i^2 equal?

Back

-1

Tags

CCSS.HSN.CN.A.1

Front

What is the result of the expression (4 - 2i) - (3 + 6i)?

Back

1 - 8i

Tags

CCSS.HSN.CN.A.2

Front

Simplify the expression 10√(20y^9).

Back

20y^4√(5y)

Front

What is the definition of a complex number?

Back

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.

Tags

CCSS.HSN.CN.A.1

Front

What is the imaginary unit 'i'?

Back

The imaginary unit 'i' is defined as the square root of -1.

Tags

CCSS.HSN.CN.A.1

Front

How do you add complex numbers?

Back

To add complex numbers, add their real parts and their imaginary parts separately.

Tags

CCSS.7.NS.A.1C

Front

What is the conjugate of a complex number a + bi?

Back

The conjugate is a - bi.

Tags

CCSS.HSN.CN.A.3

Front

What is the result of multiplying two complex numbers (a + bi)(c + di)?

Back

ac + adi + bci + bdi^2 = (ac - bd) + (ad + bc)i.

Tags

CCSS.HSN.CN.A.2