Flashcards in 2nd 9wks Vocab Deck (20)

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0

## What type of line has an undefined slope?

### A vertical line

1

## What type of line has no slope?

### A horizontal line

2

## If a line rises from left to right when graphed, what kind of slope does it have?

### Positive

3

## What are the 3 forms of liner equation?

### Point-slope, slope intercept, standard

4

## What is the slope formula?

###
Y2-Y1

------- = M

X2-X1

5

## Which form of a liner equation is used to write other forms of liner equation?

### Point-slope

6

## Which form of a liner equation is used to make tables?

### Slope-intercept

7

## Which form of liner equation doesn't allow fractions or decimals?

### Standered

8

## What are the 4 types of slope?

### Positive, negative, 0, undefined

9

## If you have a horizontal line, which variable is in the equation of the line?

### Y

10

## If you have a vertical line, which variable is in the equation of the line?

### X

11

## Which line isn't a function?

### Vertical

12

## When graphing, how can you tell if two lines are parallel?

### If when you graph them, they don't intersect

13

## How can you tell if two lines are parallel by looking at their equations?

### Their equations have the same slope but a different Y-intercept

14

## When graphing, how can you tell if two lines are perpendicular?

### If they meet at a right angle

15

## How can you tell if two lines are perpendicular by looking at their equations?

### If the product of the slopes is -1

16

## What is an X intercept?

### Where it crosses the X-axis

17

## What is the Y-value in every X-intercept?

### 0

18

## What is a Y-intercept?

### Where it crosses the Y-axis

19