Algebra II addie

Vocabulary

100

The imaginary unit that's square is -1 

what is i?

200

the standard form of an expression composed of complex and real numbers.

What is "a+bi"?

300

the formula: b²-4(a)(c) is known as this 

What is the discriminant?

400

this symbol means to take the square root of a number.

What is a Radical?

500

The mathematic equation used to calculate the x-intercepts of a parabola is most commonly known as this.

What is the Quadratic Formula?

Addition/subtraction

100

(4+i)+(7+5i)

11+6i

200

(7+2i)-(2+3i)

5-i

300

2(2+i)+(3+3i)

7+5i

400

-(3-2i)-(5+i) 

-8+i

500

6i-(14-i)+(5+i)

-9+8i

Multiplication

100

(1+i)(2+i)

1+3i

200

(2+3i)(4+2i)

2+16i

300

(3+4i)(4-7i)

40-5i

400

(9-3i)²

72-54i

500

3i(2-4i)(2+5i)

72i-6

i squared

100

i²

-1

200

i⁰

1

300

i¹⁵

-i

400

i³⁰

-1

500

i²¹

i

complex solutions

100

√-4

2i

200

√-18

3i√2

300

5n²+2n+5=0

-1+-2i√6/5

400

x²+4x+12=0

-2+-2i√2

500

3n²+2n+2=0

-2+-2i√5/6