Quiz about Year 9 PW2 Exam Revision

Question 1

What kind of triangles does the Pythagorean Theorem work with?

Accepted Answer

Right

Answer

Left

Answer

Isosceles

Answer

Equilateral

Question 2

What is the formula used to solve for the hypotenuse?

Accepted Answer

a²+b²=c²

Answer

a+b=c

Answer

a²-b²=c²

Answer

c-a=c

Question 3

What is the side from point A to point B called?

Accepted Answer

Hypotenuse

Answer

Opposite

Answer

Adjacent

Question 4

If you add the square of side a and b together... does it equal the square of side c?

Accepted Answer

Yes

Answer

No Way

Answer

Maybe

Question 5

solve for c

Accepted Answer

13

Answer

7

Answer

9

Answer

4

Question 6

Which side of the triangle is the adjacent?

Accepted Answer

t

Answer

y

Answer

u

Answer

v

Question 7

Which trig ratio uses the opposite side and the hypotenuse?

Accepted Answer

sine

Answer

cosine

Answer

tangent

Question 8

Which trig ratio uses the adjacent side and the opposite side?

Accepted Answer

tangent

Answer

sine

Answer

cosine

Question 9

Which side is opposite angle x?

Accepted Answer

2

Answer

1

Answer

3

Question 10

Which Trig function do you use?

Accepted Answer

Sine

Answer

Cosine

Answer

Tangent

Question 11

What is the correct ratio?

Accepted Answer

sin 40 = w/28

Answer

cos 40 = w/28

Answer

tan 40 = w/28

Answer

sin 40 = 28/w

Question 12

What is the correct equation to solve for x?

Accepted Answer

sin (45) = 13/x

Answer

tan (45) = x/13

Answer

cos (45) = x/13

Answer

sin (45) = x/13

Question 13

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 14

Find the median of these numbers:
4,2,7,4,3

Accepted Answer

4

Answer

2

Answer

5

Answer

7

Question 15

In order to find the median, the data must be sorted from least to greatest first.

Accepted Answer

True

Answer

False

Question 16

What is the MEAN for this data?

Accepted Answer

80

Answer

1040

Answer

13

Answer

81

Question 17

What is the mean of these numbers?
4,5,5,2,3,3,2,8

Accepted Answer

4

Answer

40

Answer

24

Answer

256

Question 18

When finding the median, what do you do if there are two middle numbers?

Accepted Answer

Add them together and divide by 2

Answer

Write them both as the answer

Answer

Give up

Answer

Pick one

Question 19

What is 0.34 as a percentage?

Accepted Answer

34%

Answer

0.34%

Answer

3.4%

Answer

340%

Question 20

What is 0.09 as a percentage

Accepted Answer

9%

Answer

0.9%

Answer

90%

Question 21

What is 0.4% as a decimal?

Accepted Answer

0.004

Answer

0.4

Answer

0.04

Answer

4

Question 22

Convert 3% to a fraction

Accepted Answer

3/100

Answer

3/10

Answer

3/4

Answer

3/1

Question 23

Which value is larger?

Accepted Answer

0.8 of a pizza

Answer

70% of a pizza

Answer

3/4 of a pizza

Answer

0.55 of a pizza

Question 24

4/5 - 1/20 =

Accepted Answer

15/20

Answer

0

Answer

20/15

Answer

3/15

Question 25

3/4 divided by 2/3

Accepted Answer

9/8 or 1 1/8

Answer

6/12

Answer

1/2

Answer

6/6 or 1

Question 26

convert this mixed number to an improper fraction

Accepted Answer

13/8

Answer

17/8

Answer

8/13

Answer

12/8

Question 27

6 - -4

Accepted Answer

10

Answer

2

Answer

-2

Answer

-10

Question 28

-7 - -7

Accepted Answer

0

Answer

14

Answer

-14

Answer

2

Question 29

-8 + -2

Accepted Answer

-10

Answer

10

Answer

-6

Answer

6

Question 30

-100 + 10

Accepted Answer

-90

Answer

-110

Answer

90

Answer

110

Question 31

-5 x -8

Accepted Answer

40

Answer

-40

Answer

-13

Answer

-45

Question 32

Round to 1 decimal place

123.496

Accepted Answer

123.5

Answer

123

Answer

123.4

Answer

123.49

Question 33

Which number is the greatest? 0.9, 0.099, 0.199, 0.899

Accepted Answer

0.9

Answer

0.099

Answer

0.199

Answer

0.899

Question 34

How many significant figures does the following number have: 0.998005

Accepted Answer

6

Answer

9

Answer

10

Answer

5

Question 35

What is 0.658 rounded to 1 significant figure?

Accepted Answer

0.6

Answer

0

Answer

0.66

Answer

0.658

Question 36

How many significant figures: 216 m

Accepted Answer

3

Answer

1

Answer

2

Answer

0

Question 37

How many significant figures: 153.0 mL

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Year 9 PW2 Exam Revision

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