Standard 3 Flashcards Preview

Algebra 2 > Standard 3 > Flashcards

Flashcards in Standard 3 Deck (15):
1

Direct variation formula

Y=ax
Y/x=a

2

In y=ax what is a called

Constant of variation

3

Direct variation has what y intercept

0!!!

4

How to graph piecewizs

F(x)=.... Ex: x+1 if

5

Pice wise function definition

More than one equation, each of which applies to a different part of a functions domain

6

Step function looks like

F(x)=.... A constant ex: 3
Looks like horizontal steps

7

Correlations

-1,-.5,0,.5,1

8

How to graph using graphing calculator

Stat, edit, calc
L(1)=x l(2)=y

9

Parent function

Y=x

10

If negative slope it means it ------ the parent

Reflects

11

|a|>1
|a|

Vertical stretch
Vertical shrink

12

B when comparing means

Shifts
Up or down --- units

13

How to graph standard form

Plug in 0 for y to get x inter
Plug in 0 for x to get y inter

14

Point slope form

Y-y=m(x-x)

15

Absolute value function

Always a v