Solving Two-Step Inequalities

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a two-step inequality?
Back
A two-step inequality is an inequality that requires two operations to isolate the variable, typically involving addition or subtraction followed by multiplication or division.
Tags
CCSS.6.EE.B.8
2.
FLASHCARD QUESTION
Front
How do you solve the inequality 2 - 3x ≤ 20?
Back
To solve 2 - 3x ≤ 20, first subtract 2 from both sides to get -3x ≤ 18, then divide by -3 (remember to flip the inequality sign) to find x ≥ -6.
Tags
CCSS.6.EE.B.8
3.
FLASHCARD QUESTION
Front
What does it mean to flip the inequality sign when dividing by a negative number?
Back
Flipping the inequality sign means that if you divide or multiply both sides of an inequality by a negative number, the direction of the inequality changes.
Tags
CCSS.6.EE.B.8
4.
FLASHCARD QUESTION
Front
How do you interpret the solution x ≥ 3?
Back
The solution x ≥ 3 means that x can be any number greater than or equal to 3.
Tags
CCSS.6.EE.B.8
5.
FLASHCARD QUESTION
Front
What is the solution to the inequality 11 > -3y + 2?
Back
To solve 11 > -3y + 2, subtract 2 from both sides to get 9 > -3y, then divide by -3 (flipping the sign) to find y > -3.
Tags
CCSS.7.EE.B.4B
6.
FLASHCARD QUESTION
Front
What does the inequality x < -20 represent on a number line?
Back
The inequality x < -20 represents all numbers to the left of -20 on a number line, not including -20 itself.
Tags
CCSS.6.EE.B.8
7.
FLASHCARD QUESTION
Front
How do you solve the inequality 25 < x - 10?
Back
To solve 25 < x - 10, add 10 to both sides to get 35 < x, or x > 35.
Tags
CCSS.7.EE.B.4B
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