
Solving Inequalities Adding and Subtracting
Presentation
•
Mathematics
•
7th Grade
•
Hard
Joseph Anderson
FREE Resource
11 Slides • 6 Questions
1
4.2 - Solving Inequalities Using Addition or Subtraction.
By Shannon Bowen
2
Members of the Boy Scouts must be LESS than 18 years old. In 4 years, your friend will still be eligible to be a scout.
3
Multiple Choice
Members of the Boy Scouts must be LESS THAN 18 years old. In 4 years, your friend will still be eligible to be a scout.
Which of the following represents this situation?
x+4>18
x+4<18
x+4≥18
x+4≤18
4
x + 4 < 18
How would we graph this?
5
Supercooling is ths process of lowering the temp. of a liquid or a gas below its freezing point without it becoming a solid. Water can to supercooled to 86° below its freezing point (32°) and still not freeze.
6
Multiple Choice
Water can to supercooled to 86° below its freezing point (32°) and still not freeze.
Which of the following represents the situation?
x−32>−86
x−32<−86
x−32≥−86
x−32≤−86
7
x -32 ≧ -86
How would we graph this?
8
Fill in the Blanks
Type answer...
9
x + 4 < 18
How would we graph this?
10
x - 32 ≧ -86
If this were an equation instead of an inequality, we would write it as x -32 = -86.
On the next slide, solve for x. (your answer should be in the form of x = )
11
Fill in the Blanks
Type answer...
12
The temperature at a weather station in Asia is MORE THAN 150°F greater than the record low in Asia.
Lets write an inequality that represents the situation.
13
Fill in the Blanks
Type answer...
14
x > 60
How would we graph this?
15
The temperature at a research station in Antarctica is AT LEAST 80° greater than the record low in Antarctica.
Lets write an inequality that represents the situation.
16
Fill in the Blanks
Type answer...
17
x ≥-49
How would we graph this?
4.2 - Solving Inequalities Using Addition or Subtraction.
By Shannon Bowen
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