Free Printable Revision quiz for grade 9th

1.

After rationalising the denominator of

\frac{7}{3\sqrt{3}-2\sqrt{2}}

, we get the denominator as

a)

13

b)

19

c)

5

d)

35

2.

If the decimal representation of a number is non-terminating, non-repeating then the number is

a)

a natural number

b)

a whole number

c)

a rational number

d)

an irrational

3.

$2^{\frac{1}{3}}\times\ 2^{\frac{1}{6}}$ is equal to

a)

2

b)

$2^{\frac{1}{2}}$

c)

$2^{\frac{1}{3}}$

d)

3

4.

The decimal expansion of an irrational number may be:

a)

terminating

b)

recurring

c)

either terminating or non terminating

d)

non terminating and non recurring

5.

The point X(-6, 4) lies in

a)

Quadrant I

b)

Quadrant II

c)

Quadrant III

d)

Quadrant IV

6.

The point A(0,-6) lies

a)

in the Quadrant I

b)

in the Quadrant IV

c)

On the X-axis

d)

On the Y-axis

7.

The perpendicular distance of point B(8,6) from Y-axis is

a)

8 units

b)

6 units

c)

14 units

d)

3 units

8.

Which of the points A(0,6), B(-2,0), C(0,-5), D(3,0) and E(1,2) does not lie on X-axis?

a)

A and C

b)

B and D

c)

A, C and E

d)

E only

9.

$\sqrt{10}\ \times\sqrt{5}$ is equal to

a)

$\sqrt{15}$

b)

$\sqrt{150}$

c)

$\sqrt{50}$

d)

5

10.

$64^{\frac{1}{3}}$ is equal to

a)

8

b)

4

c)

12

d)

6

11.

$a^{-1}$ is equal to

a)

a

b)

1

c)

0

d)

$\frac{1}{a}$

12.

$2\sqrt{3}+\ \sqrt{3}$ is equal to

a)

$2\sqrt{6}$

b)

6

c)

$3\sqrt{3}$

d)

$4\sqrt{6}$

13.

The number obtained on rationalizing the denominator of $\frac{1}{\sqrt{7}-2}$ is

a)

$\frac{\sqrt{7}+2}{3}$

b)

$\frac{\sqrt{7}-2}{3}$

c)

$\frac{\sqrt{7}+2}{5}$

d)

$\frac{\sqrt{7}-2}{5}$

14.

\ 0

is a natural number (N)

a)

Agree

b)

Disagree

15.

Simplify the following radical: √150

a)

5√15

b)

5√2

c)

5√6

d)

15√5

16.

Anything raised to a power of zero is always:

a)

0

b)

1

c)

itself

d)

negative

17.

What is the measure of angle b

a)

146

b)

34

c)

36

d)

136

18.

Two angles whose sum of angle measures equals 90 degrees

a)

Adjacent Angles

b)

Complementary Angles

c)

Congruent Angles

d)

Supplementary Angles

19.

∠1 and ∠3 can best be described as -

a)

complementary angles

b)

supplementary angles

c)

vertically opposite angles

d)

adjacent angles

20.

Solve for x.

a)

5

b)

12

c)

-7

d)

-6

Revision quiz for grade 9th

Total questions: 20

Worksheet time: 27mins

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