Interactive multiple-choice quiz: الوحدة الثانية ريفيل: Real Numbers

A

-0.2

B

-0.22

C

-0.overline{2}

D

-0.23

A

-0.2

B

-0.22

C

$-0.\bar{2}$

D

-0.23

A

Terminating decimal

B

Repeating (non-terminating) decimal

C

Irrational decimal

D

Whole number

A

4.5

B

4.52

C

4.5overline{2}

D

4.525

A

Terminating decimal

B

Repeating (non-terminating) decimal

C

Irrational decimal

D

Whole number

A

$-\frac{7}{10}$

B

$-\frac{7}{9}$

C

$-\frac{7}{99}$

D

$-\frac{7}{90}$

A

1frac{42}{100}

B

1frac{21}{50}

C

1frac{14}{33}

D

1frac{42}{9}

A

Approximately 116 saves

B

Approximately 115 saves

C

Approximately 146 saves

D

Approximately 100 saves

A

-0.6875; terminating

B

-0.6875ldots; repeating

C

-0.65; terminating

D

-0.7125; terminating

A

0.overline{15}; repeating

B

0.1515; terminating

C

0.15; terminating

D

0.overline{16}; repeating

A

4.375; terminating

B

4.375ldots; repeating

C

4.38; terminating

D

4.333ldots; repeating

A

-9.3overline{6}; repeating

B

-9.366; terminating

C

-9.3666; terminating

D

-9.overline{3}; repeating

A

$\frac{8}{9}$

B

$\frac{4}{5}$

C

$\frac{8}{10}$

D

$\frac{8}{11}$

A

$-\frac{18}{100}$

B

$-\frac{2}{11}$

C

$-\frac{9}{50}$

D

$-\frac{2}{9}$

A

-1frac{4}{9}

B

-1frac{5}{6}

C

-1frac{2}{9}

D

-1frac{5}{9}

A

4frac{5}{11}

B

4frac{45}{100}

C

4frac{50}{100}

D

4frac{45}{9}

A

0.overline{5}

B

0.55

C

0.56

D

0.5

A

0.44

B

0.437

C

0.4375

D

0.4375ldots

A

5frac{2}{3}

B

5frac{6}{9}

C

5frac{3}{5}

D

5frac{2}{5}

A

13

B

15

C

25

D

pm15

A

1.2

B

-1.2

C

pm1.2

D

pm0.12

A

$\frac{7}{8}$

B

$-\frac{7}{8}$

C

pmfrac{7}{8}

D

$-\frac{49}{64}$

A

9

B

-9

C

pm9

D

It cannot be simplified because no rational number has a square equal to -81.

A

y=16

B

y=-16

C

y=pm16

D

y=128

A

4

B

6

C

8

D

36

A

10

B

-10

C

-100

D

pm10

A

$\frac{8}{3}$ inches, or 2frac{2}{3} inches

B

$\frac{16}{9}$ inches

C

$\frac{8}{9}$ inches

D

$\frac{64}{9}$ inches

A

6 feet

B

12 feet

C

18 feet

D

24 feet

A

19

B

17

C

21

D

18

A

pm1.6

B

pm1.4

C

1.4

D

-1.4

A

$-\frac{3}{4}$

B

$\frac{3}{4}$

C

$-\frac{9}{16}$

D

$-\frac{3}{8}$

A

21

B

-21

C

pm21

D

Not possible; the expression is not a real number.

A

m=pm0.2

B

m=0.2

C

m=-0.2

D

m=pm0.02

A

6

B

9

C

7

D

8

A

-8

B

8

C

-16

D

Not possible

A

4.5 feet

B

4.2 feet

C

4.8 feet

D

5.5 feet

A

14

B

16

C

12

D

18

A

Rational

B

Irrational

C

Both rational and irrational

D

Neither rational nor irrational

A

Rational only

B

Irrational only

C

Integer, whole, and natural

D

Rational and integer

A

Rational only

B

Irrational only

C

Rational and integer

D

Rational, integer, whole, and natural

A

Rational

B

Irrational

C

Integer

D

Natural

A

True

B

False

C

Sometimes true

D

Cannot be determined

A

True, because all whole numbers are greater than 0.

B

False; 0 is a whole number, but it is not a natural number.

C

True, because whole numbers and natural numbers are identical sets.

D

False; -1 is a whole number, but it is not a natural number.

A

True

B

False

C

Sometimes true

D

Cannot be determined

A

True, because the set of natural numbers is completely contained within the set of whole numbers.

B

False; 0 is a natural number but not a whole number.

C

False; 1 is a natural number but not a whole number.

D

True, because every whole number is greater than 0.

A

Irrational

B

Rational

C

Integer

D

Whole

A

Irrational

B

Rational

C

Whole

D

Natural

A

Irrational

B

Rational

C

Whole

D

Natural

A

Irrational

B

Rational

C

Neither

D

Cannot be determined

A

Irrational

B

Rational

C

Neither

D

Cannot be determined

A

Irrational

B

Rational

C

Integer

D

Whole

A

Irrational

B

Rational

C

Integer

D

Whole

A

Irrational

B

Rational

C

Neither

D

Cannot be simplified

A

Rational only

B

Irrational only

C

Rational, integer, whole, and natural

D

Rational and integer only

A

Rational

B

Irrational

C

Integer

D

Whole

A

Rational only

B

Irrational only

C

Rational and integer

D

Rational, integer, whole, and natural

A

True

B

False

C

Sometimes true

D

Cannot be determined

A

True

B

False

C

Sometimes true

D

Cannot be determined

A

11

B

12

C

13

D

14

A

10.1

B

10.3

C

10.5

D

10.7

A

3

B

4

C

5

D

6

A

1.925 seconds

B

1.95 seconds

C

2.0 seconds

D

1.875 seconds

A

18 inches

B

19 inches

C

20 inches

D

21 inches

A

12

B

11

C

10

D

11.2

A

6

B

8

C

7

D

7.4

A

4

B

3

C

5

D

4.1

A

9

B

10

C

11

D

9.7

A

16.8

B

17.0

C

17.5

D

17.2

A

2.2

B

2.3

C

2.1

D

2.5

A

3.3

B

3.2

C

3.4

D

3.5

A

8.0

B

7.8

C

7.9

D

7.7

A

21.2 mph

B

21.21 mph

C

21.3 mph

D

21.0 mph

A

5 feet

B

6 feet

C

5.6 feet

D

7 feet

A

<

B

=

C

>

D

Cannot be determined

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

<

B

=

C

>

D

Cannot be determined

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

$\left{1.3overline{5},\frac{pi}{2},160\%,\sqrt{3} ight}$

B

$\left{1.3overline{5},\sqrt{3},160\%,\frac{pi}{2} ight}$

C

$\left{1.3overline{5},160\%,\frac{pi}{2},\sqrt{3} ight}$

D

$\left{\sqrt{3},1.3overline{5},160\%,\frac{pi}{2} ight}$

A

Graph A

B

Graph B

C

Graph C

D

Graph D

A

Player 1

B

Player 2

C

Player 3

D

Player 1 and Player 3 are equal

A

0.65 seconds

B

0.77 seconds

C

1.12 seconds

D

1.77 seconds

A

<

B

>

C

=

D

Cannot be determined

A

<

B

>

C

=

D

Cannot be determined

A

<

B

>

C

=

D

Cannot be determined

A

<

B

>

C

=

D

Cannot be determined

A

$\left{pi,\frac{10}{3},3frac{1}{2},\sqrt{13} ight}$

B

$\left{\frac{10}{3},pi,3frac{1}{2},\sqrt{13} ight}$

C

$\left{pi,3frac{1}{2},\frac{10}{3},\sqrt{13} ight}$

D

$\left{\sqrt{13},3frac{1}{2},\frac{10}{3},pi ight}$

A

Player 1

B

Player 2

C

Player 3

D

They are all equal