Daily Essential Questions:

How do I graph a line once in

Slope-Intercept Form?

Graphing a Line:

What are the 2 pieces you need?

y = mx + bslop

ey-

intercept

Steps for Graphing a Line:

1. Solve for slope-intercept form: y = mx + b.

3. Use the slope (m) to find the next points.

Positive Slope = UP to the right Negative Slope = DOWN to the

right4. Use the points to draw a line!

 2. Graph the y-intercept (b)

y = 2x + 3

y-intercept (b) =

slope (m) =

22

1

3

Graph the line

-6 -4 -2 2 4 6

-6

-4

-2

2

4

6

..

.

y = -2x - 1

y-intercept (b) =

slope (m) =

1

Graph the line

22

1

-6 -4 -2 2 4 6

-6

-4

-2

2

4

6

...

.

y-intercept (b) =

slope (m) =

23. y x 2

3

2

Graph the line

23

-6 -4 -2 2 4 6

-6

-4

-2

2

4

6

..

.

Write the following in Slope – Intercept Form AND Graph:

2x + y = 1

-6 -4 -2 2 4 6

-6

-4

-2

2

4

6

-2x = -2x

y = -2x + 1

m = -2 b = 1

..

..

Write the following in Slope – Intercept Form AND Graph:

4x + 2y = - 6

-6 -4 -2 2 4 6

-6

-4

-2

2

4

6

-4x = - 4x 2y = - 4x - 6 2 = 2

2 y = -2x - 3

m = -2 , b = -3

..

.

.

___ ___ __

Tonight’s Homework:

Practice graphing equations A copy of the homework AND the

answers are on my teacher webpage

Check your answers tonight and make sure you are correct to ensure you get a good grade if your number is picked tomorrow for homework!