Free Printable Unit 9 Quiz #2

1.

Simplify

5\sqrt{18}

a)

$15\sqrt{2}$

b)

$10\sqrt{9}$

c)

$45$

d)

$30\sqrt{3}$

2.

Solve for x.

a)

7

b)

13

c)

10

d)

15

3.

Solve for x.

a)

10

b)

13

c)

4

d)

12

4.

Solve for x.

a)

30

b)

24

c)

15

d)

28

5.

Solve for x.

a)

$14\sqrt{5}$

b)

$8$

c)

$12$

d)

$2\sqrt{35}$

6.

A rectangle has a length of 12 and a width of 9. Find the length of its diagonal.

a)

7

b)

24

c)

18

d)

15

7.

Find the length of the side of a square which has a diagonal with a length of 12.

a)

$6$

b)

$6\sqrt{2}$

c)

$144$

d)

$12\sqrt{2}$

8.

Simplify

\frac{60}{\sqrt{3}}

a)

$20$

b)

$\frac{\sqrt{3}}{20}$

c)

$30\sqrt{3}$

d)

$20\sqrt{3}$

9.

Which is a Pythagorean Triple?

a)

4,4,8

b)

6,8,10

c)

1,2,3

d)

10,15,25

10.

Which is a Pythagorean Triple?

a)

3,4,5

b)

3.4,4.5,6.7

c)

12,13,14

d)

5,10,12

11.

Which is a Pythagorean Triple?

a)

1,1,1

b)

7,14,16

c)

12,13,16

d)

5,12,13

12.

Which is NOT a Pythagorean Triple?

a)

3,4,5

b)

6,8,10

c)

12,14,16

d)

9,12,15

13.

Which is NOT a Pythagorean Triple?

a)

8,15,17

b)

4,7,8

c)

16,30,34

d)

24,45,51

14.

Acute, right, or obtuse?

a)

Acute

b)

Right

c)

Obtuse

d)

I don't know

15.

6, 8, 12

a)

acute

b)

right

c)

obtuse

d)

not a triangle

16.

10, 12, 25

a)

acute

b)

right

c)

obtuse

d)

not a triangle

17.

2, 12, 13

a)

acute

b)

right

c)

obtuse

d)

not a triangle

18.

6, 7, 14

a)

acute

b)

right

c)

obtuse

d)

not a triangle

19.

What is the length of x in this 45-45-90 triangle?

a)

4√2

b)

4

c)

8

d)

4√3

20.

Use the 45-45-90 theorem to solve for the hypotenuse.

a)

16

b)

8

c)

8√2

d)

√16

21.

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

a)

7√2

b)

49√2

c)

7

d)

7√7

22.

a)

c = 6√2 d = 12

b)

c = 2√6 d = 6√2

c)

c = 6 d = 12√2

d)

c = 6√2 d = 6√2

23.

a)

a=√6 b=√2

b)

a=4 b=2

c)

a=√6 b=2

d)

a=2 b4

24.

Find y.

a)

6

b)

24

c)

12√3

d)

6√3

25.

Solve for X

a)

$18\sqrt[]{2}$

b)

9

c)

$9\sqrt[]{2}$

d)

18

Unit 9 Quiz #2

Total questions: 25

Worksheet time: 27mins

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