domain x range y domain x range y domain x range y 0 1 2 3 n 6 7 8 9 1n + 6 1234n1234n 3 7 11 15 4n...

Domainx

Rangey

Domainx

Rangey

Domainx

Rangey

0123n

6789

1n + 6

1234n

371115

4n - 1

0123n

57911

2n + 5

PW page 14 questions 9-11

2 4

2

4

-2

-4

-2-4x

y

X Y

4 1

8 2

2 3

Yes it is a function, the reddoesn’t pass through 2 pts.during the vertical line test.

Domain Range

6

8

-6

-8

-6-8 6 8

Input Output

x

y

X Y

2 2

2 4

3 6

4 8

Not a function, the red linepasses through 2 pointsduring the vertical line test.

2 4

2

4

-2

-4

-2-4

6

8

-6

-8

-6-8 6 8

Domain RangeInput Output

Open PW to page 11 and complete

problems 3, 4, and 5

One of four parts into which the axes divide a coordinate plane.

is an ordered pair (x,y) that producesa true statement when substituted

a set of points that represent all solutions of an equation

is a line graph

Ax + By = CA & B cannot be zero

A linear equation Ax + By = C, where the graph is not a vertical line

-x + 4

b =

m =

y bmx

1

1

4

To solve for y, simply subtract

the x from both sides

Always write slope as a fraction

Option 1Slope-Intercept

Form

Domainx

Rangey

04

40

Find the valuewhen x is zerothen find the

value when y iszero

Option 2Standard Form

Domainx

Rangey 2 1x y

4y x

x

y

2 7y x

x

y

x

y

4 8x y

x

y

2 6 12x y

x

y 5x y

x

y

6y x

LESSON 3-1

2 4

2

4

-2

-4

-2-4

x

yA

B

C

Write the coordinatesof each point.

1. A2. B3. C

Evaluate

3 5x 4.

2 3x y5.

(-1,4)

2x FOR

4x 5y FOR

1

7

(4,2)(-3,-2)

2 4

2

4

-2

-4

-2-4x

y

3-1 Equations with Two Variables#7

0.5 4y x

X Y

2 3

0 4

4 2

14

2y x Negative slope

2 4

2

4

-2

-4

-2-4x

y

3-1 Equations with Two Variables#8

4y X Y

# 4

# 4

# 4

The answer to thisquestion iseverywhere Y is 4

Slope of zero

3

2 4

2

4

-2

-4

-2-4x

y

3-1 Equations with Two Variables#9 2 3 6x y

3 2 6y x 32

23

y x

X Y

3 0

0 -2

-3 -4Positiv

e slope

2 4

2

4

-2

-4

-2-4x

y

3-1 Equations with Two Variables

10 5x y #10

5 10y x5 5

2y x X Y

1 -2

0 0

-2 4

Negative slope

HE

LP!

3-1 Equations with Two Variables

3 2 12x y X Y

0 4

6 3

4 0

11.

12.

13.

NOYESYES

3-1 Equations with Two Variables

X Y

-3 2

-10 -2

5 4

14.

15.

16.

NOYESYES

2 5 10x y