12.03 Warm-Up
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is the definition of absolute value?
Back
The absolute value of a number is its distance from zero on the number line, regardless of direction. It is denoted as |x|.
Tags
CCSS.6.NS.C.7C
2.
FLASHCARD QUESTION
Front
How do you split an absolute value inequality like |x + 5| < 10 into two inequalities?
Back
You split it into two inequalities: x + 5 < 10 and x + 5 > -10.
3.
FLASHCARD QUESTION
Front
What does it mean if a line in a graph is dotted?
Back
A dotted line indicates that the points on the line are not included in the solution set of the inequality.
Tags
CCSS.HSA.REI.D.12
4.
FLASHCARD QUESTION
Front
What is the solution to the inequality -3(3x + 5) > -5(2x - 2)?
Back
The solution is x > 25.
5.
FLASHCARD QUESTION
Front
What is a linear inequality?
Back
A linear inequality is an inequality that involves a linear function, typically expressed in the form ax + b < c, ax + b > c, etc.
6.
FLASHCARD QUESTION
Front
How do you graph a linear inequality like y > (1/2)x + 3?
Back
Graph the line y = (1/2)x + 3 as a dotted line and shade the region above the line.
Tags
CCSS.HSA.REI.D.12
7.
FLASHCARD QUESTION
Front
What is the difference between '>' and '≥' in inequalities?
Back
'>' means greater than and does not include the boundary, while '≥' means greater than or equal to and includes the boundary.
Tags
CCSS.6.EE.B.8
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