Post on 28-Dec-2021
January 11, 2016
Daily Warm Up!
Q1 Q2 Q3Shade above or below the line?
Solid or dotted line?
What is the area of a circle with...
Below Solid 16π
y < 3x + 1 y ≤ 5x - 7 r = 4
January 11, 2016
Monday: 7-6 Systems of Linear Inequalities
Tuesday: 7-4 Applications of Systems
Wednesday: Quiz
Thursday: TBD
Friday: Success Day
January 11, 2016
• Homework Check• Inequalities• Activity• Homework -
> Worksheet #9
January 11, 2016
pg. 414-416 #1-21 odd, 25, 27, 31, 32Homework Check
1.
3.
5.
7.
9.
11.
13.
No
No
15.
17.
19.
21.
25.
27.
31.
32.
y ≥ -1/2x - 2
y ≤ 1/2x + 2
y ≤ -2/3x - 4
y ≥ 1/6x - 3
x ≤ 3
x ≥ -3
y ≤ 3
y ≥ -3
y ≥ 2/3x - 2
y < 2/3x + 2
a) triangle
b) (2,2), (-4, -1), (-4, 2)
c) 9 sq. units
a) square
b) (1, -1), (5, -1), (1, 3), (5 ,3)
c) 16 sq. units
January 11, 2016
Today, we are going to practice graphing systems of inequalities with more than 2 lines.
We will also practice writing the inequalities from the graphs.
January 11, 2016
You will need graph paper for sure!
Go get some!
January 11, 2016
Make a shaded triangle with these qualities:
m = 3
m = 1/2
m = -1
Write all three inequalities.
January 11, 2016
Make a shaded parallelogram with these qualities:
m = -3/2
m = -1/3
What are the inequalities of your 4 lines?
January 11, 2016
Make a shaded RIGHT Triangle with these qualities:
m = 5
m = -3
What are the inequalities of all 3 lines?
January 11, 2016
Make a triangle with a SHADED background with these qualities:
m = -1/4
m = 2/5
m = 1
What are the inequalities of all 3 lines?
January 11, 2016
Make a parallelogram with a SHADED background with these qualities:
m = -4
m = 3/4
What are the inequalities of your 4 lines?
January 11, 2016
Make a square with a SHADED background with these qualities:
m = -3
At least 3 unit sides.
What are the inequalities of these 4 lines?
January 11, 2016
Hom
ewor
k!
Worksheet #9