Real Numbers in Action | Homework Practice

Question 1mcq

Which of the following is equal to x ?

A.

𝑥^\frac{12}{7} − 𝑥^\frac{5}{7}

B.

\sqrt[12]{(x^4)^{1/3}}

C.

(\sqrt{x^3})^{2/3}

D.

x^{12/7} \times x^{7/12}

Question 2mcq

2\sqrt{3} × \sqrt{3} + 1

=

A.6

B.

2\sqrt{9}

C.7

D.

4\sqrt{6}

Question 3mcq

Write

0.875

as a fraction in simplest form.

A.

\frac{8}{7}

B.

\frac{875}{10}

C.

\frac{7}{8}

D.

\frac{35}{40}

Question 4mcq

Evaluate

(-2)^{3}-(-2)^{2}

.

A.

-12

B.

-4

C.

4

D.

12

Question 5mcq

During a planning model on operations, find one rational number between

\frac{2}{5}

and

\frac{3}{5}

.

A.

\frac{5}{5}

B.

\frac{1}{5}

C.

\frac{4}{5}

D.

\frac{1}{2}

Question 6mcq

What is (2.5 + 1.75) ÷ 0.5 ?

A.

8.5

B.

4.25

C.

7.5

D.

9.25

Question 7mcq

Evaluate

(-2)^{3}-(-2)^{2}

.

A.

-4

B.

-12

C.

4

D.

12

Question 8mcq

Write

0.875

as a fraction in simplest form.

A.

\frac{7}{8}

B.

\frac{875}{10}

C.

\frac{8}{7}

D.

\frac{35}{40}

Question 9mcq

During a geometry model on operations, find one rational number between

\frac{2}{5}

and

\frac{3}{5}

.

A.

\frac{1}{5}

B.

\frac{1}{2}

C.

\frac{4}{5}

D.

\frac{5}{5}

Question 10mcq

A bottle has 2.5 L of juice. If 0.75 L is used in the morning and 1.1 L in the evening, how much juice is left?

A.

₹0.75

B.

₹1.65

C.

₹0.55

D.

₹0.65

Question 11mcq

Which decimal expansion is non-terminating and recurring?

A.

0.5

B.

0.25

C.

0.\overline{3}

D.

2.0

Question 12long form

Find the value of

x

in

3 + 2^x = (64)^{1/2} + (27)^{1/3}

Question 13mcq

During a notebook model on operations, which of the following is irrational?

A.

0.75

B.

\frac{7}{8}

C.

\sqrt{7}

D.

-3

Question 14mcq

Evaluate

(-2)^{3}-(-2)^{2}

.

A.

-12

B.

-4

C.

4

D.

12

Question 15mcq

During a statistics model on operations, find one rational number between

\frac{2}{5}

and

\frac{3}{5}

.

A.

\frac{5}{5}

B.

\frac{1}{5}

C.

\frac{4}{5}

D.

\frac{1}{2}

Question 16mcq

During a classroom model on operations, which of the following is irrational?

A.

\frac{7}{8}

B.

\sqrt{7}

C.

0.75

D.

-3

Question 17mcq

During a algebra model on operations, find one rational number between

\frac{2}{5}

and

\frac{3}{5}

.

A.

\frac{4}{5}

B.

\frac{1}{5}

C.

\frac{1}{2}

D.

\frac{5}{5}

Question 18mcq

Write

0.875

as a fraction in simplest form.

A.

\frac{875}{10}

B.

\frac{7}{8}

C.

\frac{8}{7}

D.

\frac{35}{40}

Question 19mcq

What is

\frac{3}{5}

of 20 ?

A.

20

B.

15

C.

8

D.

12

Question 20mcq

Evaluate

(-2)^{3}-(-2)^{2}

.

A.

4

B.

-4

C.

-12

D.

12