Unit 3 Topic 1 Inequalities
HS Math
Created on November 22, 2024
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- graph inequalities on a number line
- write an inequality given its graph
Writing INEQUALITIES
Objectives
A. <B. >C. =
-48 49
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Which symbol belongs between the values
ZooM PoLL
A. <B. >C. =
-10 -22
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Which symbol belongs between the values
ZooM PoLL
A. <B. >C. =
2(40) 40 + 40
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Which symbol belongs between the expressions
ZooM PoLL
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A MATHEMATICAL SENTENCE THAT COMPARES EXPRESSIONS
INEQUALITY
Any value less than 5 will make the inequality true!
x < 5
Any value greater than 5 will make the inequality true!
x > 5
The collection of values that will make the inequality true.
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Solution set
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An inequality can be flipped!x < 3is the same as3 > x
flip it!
The boundary point is included in the solution set.
The boundary point is NOT included in the solution set.
Closed Circle for and
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Open Circle for < and >
to graph it!
A. x = 5B. x = 6C. x = 100
ZooM PoLL
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Which value is included in the solution set graphed below?
A. x = 5B. x = 0C. x = 100
ZooM PoLL
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Which value is included in the solution set graphed below?
Graph the inequality
Graph the inequality
Step 1: Make sure the inequality has the variable on the left.Step 2: Decide whether the boundary point will have an open/closed circle.Step 3: Decide which direction to shade.
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Steps to Graph
Graph the inequality
Graph the inequality
Step 1: Make sure the inequality has the variable on the left. Step 2: Decide whether the boundary point will have an open/closed circle.Step 3: Decide which direction to shade.If your variable is on the left, you can shade the direction it points!
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Steps to Graph
ZooM PoLL
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Write the inequality
Write the inequality
Step 1: Write the variable and the boundary point. Step 2: Decide whether you will have an "or equal to" or not.Step 3: Write the symbol so it points in the direction of the shading.
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Steps to Write
Write the inequality that describes the graph.
ZooM PoLL
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Write the inequality that describes the graph.
ZooM PoLL
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- write inequalities given a word phrase, statement, or sentence
Writing INEQUALITIES
Objectives
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KEY WORDS & EXAMPLES
h is greater than or equal to three times a number m plus 6.
Twelve is greater than twice a number n
A number k plus 9 is less than or equal to 13.
WRITE AN EXPRESSION
answer
answer
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answer
A. 0 > 4x + 4B. C.
ZooM PoLL
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0 is greater than or equal to four times a number plus 4.
A. B. C.
ZooM PoLL
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One-half a number y is no more than 22.
- graph inequalities on a number line
- write an inequality given its graph
You should be able to
Remember your CFU!