Standard 3 Flashcards Preview

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Flashcards in Standard 3 Deck (15)
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1
Q

Direct variation formula

A

Y=ax

Y/x=a

2
Q

In y=ax what is a called

A

Constant of variation

3
Q

Direct variation has what y intercept

A

0!!!

4
Q

How to graph piecewizs

A

F(x)=…. Ex: x+1 if

5
Q

Pice wise function definition

A

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

6
Q

Step function looks like

A

F(x)=…. A constant ex: 3

Looks like horizontal steps

7
Q

Correlations

A

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

8
Q

How to graph using graphing calculator

A

Stat, edit, calc

L(1)=x l(2)=y

9
Q

Parent function

A

Y=x

10
Q

If negative slope it means it —— the parent

A

Reflects

11
Q

|a|>1

|a|

A

Vertical stretch

Vertical shrink

12
Q

B when comparing means

A

Shifts

Up or down — units

13
Q

How to graph standard form

A

Plug in 0 for y to get x inter

Plug in 0 for x to get y inter

14
Q

Point slope form

A

Y-y=m(x-x)

15
Q

Absolute value function

A

Always a v