

Two Step Inequalities
Presentation
•
Mathematics
•
7th - 9th Grade
•
Medium
Standards-aligned
Scott Donnelly
Used 12+ times
FREE Resource
3 Slides • 14 Questions
1
by Scott Donnelly
2
The steps to solve an inequality. Steps might be skipped, if needed
Use addition or subtraction to get the variable alone.
Use multiplication or division to get the variable alone
If you multiply or divide by a negative number, you must flip the inequality sign.
Graph the line
Determine if open or closed dot.
Graph the line, make sure to put an arrow at the end.
3
Multiple Choice
What would be the first step to solve this equation?
2x+4=−12
Add 4 to both sides.
Divide by 2 to both sides.
Multiply by 2 to both sides.
Subtract 4 from both sides
4
Multiple Choice
Solve the equation
2x+4=−12
x=−4
x=−8
x=8
x=4
5
The steps to solve the inequality and equality are the same.
The only difference is graphing the inequality.
6
Multiple Choice
What is first step to solve this inequality
3x−4<−19
Add 4 to both sides
Divide by 3 to both sides
Subtract 4 from both sides.
Multiply 3 to all terms.
7
Multiple Choice
After first step, what will inequality look like?
3x−4<−19
3x>−15
3x<−15
3x<−19
3x>−15
8
Multiple Choice
What will you divide by and will you flip the inequality sign
3x<−15
3 and yes
-3 and yes
3 and no
-3 and no
9
Multiple Choice
What is the final answer
3x<−15
x<−5
x>−5
x>5
x<5
10
Multiple Choice
What will the graph look like?
x<−5
Closed and to the right
Closed and to the left
Open and to the right
Open and to the left
11
Multiple Choice
Will you flip the inequality symbol?
−5x+4<29
Yes
No
12
Multiple Choice
Solve the inequality, what is your answer?
−5x+4<29
x>−5
x<−5
x>−7
x>5
13
Multiple Choice
What is the first step
2x+4<−8
Add 4 to both sides
Multiply 2 to both sides
Subtract 4 from both sides
Divide everything by 2
14
Multiple Choice
After first step you are left with, what is next step
2x<−12
Multiply 2 to both sides
Divide by 2
Divide everything by 2
15
Multiple Choice
Will you flip the sign
2x<−12
Yes
No
16
Multiple Choice
What is the final answer
2x<−12
x<−6
x>−6
x<−24
x>−24
17
Fill in the Blanks
Solve and graph inequality on dry erase board
14<−3x−4
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by Scott Donnelly
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