Download Chapter 3 Review

CHAPTER 3 REVIEW
SECTIONS 1-5
QUESTIONS FROM 3-1
• Is each number a solution of the inequality?
3x – 7 > -1
a)
2
b)
0
c)
5
QUESTIONS FROM 3-1
• Write an inequality for each graph.
QUESTIONS FROM 3-1
• Define a variable and write an inequality to model
each situation.
A bus can seat at most 48 students.
In many states, you must be at least 16 years old to
obtain a driver’s license.
QUESTIONS FROM 3-2
• Solve and graph the solution.
x–3<5
y + 5 < -7
QUESTIONS FROM 3-3
• Solve and graph the solution.
x
< -1
2
2
 n2
3
QUESTIONS FROM 3-3
• Solve and graph the solution.
-5z > 25
QUESTIONS FROM 3-4
• Solve each inequality.
4d + 7 < 23
5 – 3n > -4
QUESTIONS FROM 3-4
• Solve each inequality.
2(j-4) > -6
2k – 3 < 5k + 9
3(2 + r) > 15 – 2r
QUESTIONS FROM 3-5
• Solve and graph each solution.
-4 < r – 5 < -1
4v + 3 < -5 or -2v + 7 < 1
QUESTIONS FROM 3-5
• Write a compound inequality that represents each
situation.
All real numbers that are at least 2 and at most 9.
All real numbers that are at most -3 or at least 5.
WORD PROBLEM PRACTICE
• Your brother has $2000 saved for a vacation. His
airplane ticket is $637. Write and solve an inequality
to find how much he can spend for everything else.
WORD PROBLEM PRACTICE
• The science club charges $4.50 per car at their car
wash. Write and solve an inequality to find how
many cars they have to wash to earn at least $300.
WORD PROBLEM PRACTICE
• The perimeter of an isosceles triangle is at most 27
cm. One side is 8 cm long. Find the possible lengths
of the two congruent sides.