3-3 Solve It!
This pattern can
help you remember
the properties
you’ll learn in
this lesson.
Consider the inequality 4 S 1. Copy and complete each
statement at the right by replacing each j with R
or S. What happens to the inequality symbol when you
multiply each side by a positive number? What happens
to the inequality symbol when you multiply each side by
a negative number? Justify your reasoning.
43 Q 13
42 Q 12
41 Q 11
4 1 Q 1 1
4 2 Q 1 2
4 3 Q 1 3
3-3 Lesson Quiz
x
1. What are the solutions of 3 . 21? Graph the solutions.
1
2. What are the solutions of 24m , 2? Graph the solutions.
3. What must you do to the first inequality to get to the second
inequality?
n
a. 4 , 5; n , 20
n
b. 24 , 5; n . 220
n
4. Solve 27 $ 3.
5. Do you UNDERSTAND? You rake leaves in your
neighborhood after school and earn $6.50 per yard you rake.
How many yards do you need to rake to earn at least $52?
What equation models this situation?
Answers
Solve It!
4. n # 221
Lesson Quiz
0178_hsm11a1se_0303.indd 178
., ., ., ,, ,, ,.
The inequality symbol stays the
same. The inequality symbol
reverses. Explanations may vary.
1. x . 23
5 4 3 2 1
0
1
2
3
4
5
2. m . 28
11 10 9 8 7 6 5 4 3 2 1
3. a. Multiply each side by 4.
b. Multiply each side by 24
and reverse the inequality
sign.
5. at least 8 yards;
6.50y $ 52.00, y 5 number
of yards raked
Prentice Hall Algebra 1 • Solve It/Lesson Quiz on Transparencies
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1/29/09 3:37:38 PM