Why We Flip the Inequality
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Naomi Anderegg
Used 5+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply both sides of the true inequality 2 < 5 by -1 without flipping the sign, what is the resulting incorrect inequality?
-2 < -5 (FALSE)
-2 > -5 (TRUE)
2 < -5 (FALSE)
-2 = -5 (FALSE)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply both sides of the true inequality -5 < -2 by a positive number like 2, what happens to the inequality sign?
It flips to >.
It remains <.
It changes to =.
It becomes ≤.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply both sides of the true inequality 2 < 5 by -1 without flipping the sign, what is the resulting incorrect inequality?
-2 < -5
-2 > -5
2 < -5
-2 = -5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply both sides of the true inequality 2 < 5 by a positive number like 2, what happens to the inequality sign?
It flips to >.
It remains <.
It changes to =.
It becomes ≤.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct solution set to the inequality -2x < 8?
x < -4
x > -4
x < 4
x > 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the inequality -2x < 8?
x < -4
x > -4
x < 4
x > 4
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
When solving an inequality, under what condition must you flip the inequality sign?
When adding a negative number to both sides.
When subtracting a negative number from both sides.
When multiplying or dividing both sides by a negative number.
When multiplying or dividing both sides by a positive number.
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