SECTIONS 1-5 CHAPTER 3 REVIEW. QUESTIONS FROM 3-1 Is each number a solution of the inequality? 3x – 7 > -1 a)2b)0c)5.

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Presentation transcript:

SECTIONS 1-5 CHAPTER 3 REVIEW

QUESTIONS FROM 3-1 Is each number a solution of the inequality? 3x – 7 > -1 a)2b)0c)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. < -1

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) > -63(2 + r) > 15 – 2r 2k – 3 < 5k + 9

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.