Chapter 4 Review. Choose a solution that satisfies each inequality.

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Transcript of Chapter 4 Review. Choose a solution that satisfies each inequality.

Chapter 4Review

Choose a solution that satisfies each inequality.

15 9 –

14 4

25% 25%25%25%

b > 11.3

1. 15

2. 9

3. –14

4. 4

3 5 2 –

9

25% 25%25%25%

m

1. 3

2. 5

3. 2

4. –9

2 8 –

1 0

25% 25%25%25%

x(7 – x) > 8

1. 2

2. 8

3. –1

4. 0

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8 18 2 1

25% 25%25%25%1. 8

2. 18

3. 2

4. 1

Write the inequality in words.

fifty

-two le

ss th

an th

re...

Thre

e tim

es n

is le

ss ..

.

Thre

e tim

es n

is le

ss ..

.

Thre

e tim

es n

is g

reat

..

25% 25%25%25%

3n < 52

1. fifty-two less than three times n

2. Three times n is less than fifty-two.

3. Three times n is less than or equal to fifty-two.

4. Three times n is greater than fifty-two.

Fiv

e tim

es n

less

than

...

Ten

plu

s fiv

e tim

es ..

.

Ten

less

than

five

tim

..

Ten

less

than

a n

umb..

25% 25%25%25%

5n – 10 > 26

1. Five times n less than ten is twenty-six.

2. Ten plus five times a number is less than or equal to twenty-six.

3. Ten less than five times a number is greater than twenty-six.

4. Ten less than a number is less than or equal to twenty-six.

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Write an inequality for the graph.

Choose the correct inequality

8x8x8x

8x

25% 25%25%25%1.

2.

3.

4.

Choose the correct inequality

x2

1

x2

1

x2

1

2

1x

25% 25%25%25%

1.

2.

3.

4.

Write an inequality to model the situation.

Thomas earned $44 or more.1.

2.

3.

4.

44t

25% 25%25%25%

44t

44t

44t

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A number exceeds 21.

1.

2.

3.

4.

21n

25% 25%25%25%

21n

21n

21n

Solve the inequality.

c >

–13

c >

11

c >

13

c <

–13

25% 25%25%25%

c– 12 > –1

1. c > –13

2. c > 11

3. c > 13

4. c < –13

Choose a solution that satisfies the inequality.

1.

2.

3.

4.

25% 25%25%25%10

9k

5

2k

10

9k

5

2k

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Choose a solution that satisfies the inequality.

1.

2.

3.

4.

25% 25%25%25%q 3.15

q3.16

q3.15

q 3.16

a <

32

a >

–16

a <

–16

a >

32

25% 25%25%25%

a + 8 – 2(a – 12) > 0

1. a < 32

2. a > –16

3. a < –16

4. a > 32

b >

20

b >

6

b >

14

b <

20

25% 25%25%25%

2(b – 8) > 12

1. b > 20

2. b > 6

3. b > 14

4. b < 20

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Solve the inequality1.

2.

3.

4.

25% 25%25%25%

42w

42w

48w

54w

Solve the inequality

1.

2.

3.

4.

7x

25% 25%25%25%

12x – 3x + 11 > 4x – (17 – 9x)

7x

7x

7x

Solve the inequality1.

2.

3.

4.

25% 25%25%25%3d

3d

3d

3d

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Suppose you had d dollars in your bank account. You spent $22 but have at least $28 left. How much money did you

have initially? Write and solve an inequality that represents this situation.

;2822 d

50

50

50

50

25% 25%25%25%

;2822 d

2822 d

2822 d

1. 50

2. 50

3. 50

4. 50

The French club is sponsoring a bake sale. If their goal is to raise at least $140, how many pastries must they sell at

$3.50 each in order to meet that goal? Write and solve an inequality for this situation.

1405.3 p

40

40

38

40

25% 25%25%25%

p5.3140

1405.3 p

1405.3 p

1. 40

2. 40

3. 38

4. 40

The width of a rectangle is 33 centimeters. The perimeter is at least 776 centimeters. a. Write and solve an inequality to

find the length of the rectangle. b. Write an inequality to find the area of the rectangle.

355

355

355

335

25% 25%25%25%;77633 l

;7762)33(2 l

;7762)33(2 l

;7762)33(2 l

1. 355

2. 355

3. 355

4. 335

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A student scored 83 and 91 on her first two quizzes. Write and solve a compound inequality to find the possible values

for a third quiz score that would give her an average between 85 and 90.

33% 33%33%96n81 ;90

3

918385

n

94n73 ;903

918385

n

96n81 ;903

918385

n

1.

2.

3.

Write an inequality for the situation.

4 <

y <

9

y <

4 o

r y<9

y <

4 o

r y >

9

y <

9 o

r y >

4

25% 25%25%25%

all real numbers y that are less than 4 or greater than 9

1. 4 < y < 9

2. y < 4 or y<9

3. y < 4 or y > 9

4. y < 9 or y > 4

25% 25%25%25%

all real numbers at most –9.5 or at least 5.5

-5.5bor 5.9 b5.55.9 b

5.5bor 5.9 b

1.

2.

3.

4. 5.5bor 5.9 b

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4 more questions!!!!!!!!!

Solve the equation. If there is no solution, write no solution.

x =

13

x =

13

or x

= –

13

x =

–1

no s

olutio

n

25% 25%25%25%1. x = 13

2. x = 13 or x = –13

3. x = –1

4. no solution

n =

14

or n

= –

14

n =

26

or n

= –

30

no s

olutio

n

n =

14

25% 25%25%25%1. n = 14 or n = –14

2. n = 26 or n = –30

3. no solution

4. n = 14

no s

olutio

n

j = 1

5 or –

15

j = –

25

j = –

15

25% 25%25%25%1. no solution

2. j = 15 or –15

3. j = –25

4. j = –15

no s

olutio

n

h =

21

h =

–7,

h =

21

h =

7, h

= –

21

25% 25%25%25%1. no solution

2. h = 21

3. h = –7, h = 21

4. h = 7, h = –21

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