Alg1 7.13 Graphing Linear Inequalities

Algebra 1

Lesson 7.13

Graphing Linear Inequalities

Table Discussion

Graphing Inequalities

Graphing "equalities"

HOY & VUX

Review: Graphing Linear "Equalities"

Horizontal

Slope: "0"

y= ____

Vertical

slope: undefined

x = _______

Review: Graphing Linear "Equalities"

y = mx + bslope y-intercept

y = - x + 214

y = - x + 214

What does the... line mean?

all the points on the line are solutions

What are the 4 inequalities?

Greater than Less than Greater than

or equal to

Less than

or equal to

*Boundary line

Graphing Linear Inequalities

y > 5 x < -6

Graphing Linear Inequalities

y ≥ -2

x ≤ 3

y < 4

x > -5

Review: Graphing Linear "Equalities"

y > - x + 214

=

Review: Graphing Linear "Equalities"

3x - 2y ≤ -2

=

2x + 5y = 10

2x + 5y = 10

3x + y = -6

3x + y = -6

http://goo.gl/uKHOq

1. Where does it cross the y-intercept?

2. What is the slope?

3. How does the boarder look like

4. Where do you shade?

5. What point is a solution?

6. What point is NOT a solution?