Algebra 2

Functions

100

f(x) = –3(7)x  − 11

f(1)=

-32

200

f(x) = 3x2  + 8x − 2

f(8)=

254

300

f(x) = 4 − |x|

f(2)=

2

400

f(x) = x2  + 10x

f(–12) =

24

500

f(x) = x + 4

f(25) = 

9

systems of equations

100

3u+z+15

u+2z=10

u=4,   z=3

200

u+6y=32

u+3y=17

u+2,y=5

300

3c+4u=33

6c+3u=36

c=3,u=6

400

6u+y=18

5u+2y=22

u=2,y=6

500

3a+5u=17

2a+u=9

a=4,u=1

vocabulary

100

Coefficient 

the numerical factor in a term

200

Matrix

A rectangular array of numbers arranged in rows and columns inside brackets

300

Complex Numbers 

the real numbers and the imaginary numbers 

400

Conjugate 

number pairs where the signs of the radical or the imaginary numbers are opposites 

500

^Constant 

a quantity whose value does not change 

Matrices vocab

100

matrix

A rectangular arrangement of data

200

Dimensions

rows by colums

300

Row of a matrix 

The entries across

400

Column of a matrix 

The entries go down

500

Square matrix 

The number of rows is the same as the number of columns 

Complex numbers

100

Simplify. 8𝑖+8𝑖

Write your answer in the form a+b𝑖.

16i

200

Simplify.10𝑖+10𝑖

Write your answer in the form a+b𝑖.

20i

300

Simplify. –3𝑖 –10𝑖

Write your answer in the form a+b𝑖.

-13i

400

Simplify. –8𝑖+2𝑖

Write your answer in the form a+b𝑖.

-6i

500

Simplify.6𝑖+4𝑖

Write your answer in the form a+b𝑖.

10i