Post on 13-Dec-2014
description
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?