11-12 Inequality Quiz 1.notebook

11­12 Inequality Quiz 1.notebook
Unit 9 ­ Quiz 1
Solving Inequalities
April 11, 2014
Name: _________________
Hour: ______
LT 1abc: I can write, graph, and solve inequalities.
For 1­2, write an inequality to describe the situation. Then, graph the inequality on a number line.
1. The price of a concert ticket is more than $30.
inequality:
graph:
2. The temperature today ranged from ­2 degrees to 8 degrees.
inequality:
graph:
For 3­4, write and solve an inequality for each situation.
3. Twenty­four minus two times a An ipod cost $200. Ivy is going to 4. number is less than 36.
save money for the ipod by babysitting for $15 per week. Ivy already has $32 saved. Write an inequality that can be used to find the minimum number of weeks Ivy must babysit to earn enough to buy an ipod.
• Ivy needs to work ____________________ weeks.
•
•
•
•
more than
less than
at least
no more than
11­12 Inequality Quiz 1.notebook
April 11, 2014
For 5, solve the inequality. Then, graph your solution on a number line.
5.
4(1 ­ 2x) ≥ ­10x + 2
11­12 Inequality Quiz 1.notebook
April 11, 2014
Inequality Review
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11­12 Inequality Quiz 1.notebook
April 11, 2014
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11­12 Inequality Quiz 1.notebook
April 11, 2014
IF Box 6
Checking:
p.8­10
You want to buy a pair of shoes for $80. You plan to save $10 a week Solve the inequality. Check the solution.
for the shoes by mowing lawns. You already have $24 saved. Write an inequality that can be used to find the minimum number of weeks you must save in order to buy the shoes.
2(5 ­ 3x) ≥ ­10x + 10
• You need to work ______________ hours.
•
•
•
•
more than
less than
at least
no more than
p.8­10 answers
11­12 Inequality Quiz 1.notebook
April 11, 2014
FLIP
FLIP
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8
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8
FLIP
FLIP
11­12 Inequality Quiz 1.notebook
April 11, 2014
FLIP
FLIP
11­12 Inequality Quiz 1.notebook
April 11, 2014
FLIP
FLIP
FLIP
11­12 Inequality Quiz 1.notebook
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April 11, 2014
math
rocks
yes
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math
rocks
yes
11­12 Inequality Quiz 1.notebook
April 11, 2014
Quiz
1. Take Quiz
2. Patiently raise hand
3. = correct 4. Redo questions without a
5. Turn in.
P p.11­12
• Open
notes
• Calc
ula
• Show tor
all wo
rk
11­12 Inequality Quiz 1.notebook
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April 11, 2014
C
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C
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A
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April 11, 2014
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A
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C
Attachments
multi­step inequalities.pdf