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HSC revision Gen Maths Preliminary Course Flashcards | StudBud
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HSC revision Gen Maths Preliminary Course
HSC revision Gen Maths Preliminary Course
20 terms
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Revision of the preliminary course for #HSC #General #Mathematics.
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
$400 is invested at 6%
compounding monthly
for 2 years. How much will it be worth then?
400( 1 + 0.005)24
400( 1 + 0.06)2
400 + 400 x 0.06 x 2
400 + 400 x 0.005 x 24
2
The mean age of 5 people is 8. What is the total of their ages?
8
40
13
Not enough information
3
Express the ratio 36 : 48 in its simplest form
3 : 5
4 : 3
6 : 8
3 : 4
4
A 3 digit number is formed from the digits 3, 5, 7, 8. What is the probability it will be odd?
0.25
0.3
0.75
0.5
5
What sum finds the area of this parallelogram?
2.5 x 2
2.5 x 2 x 1.8
2.5 x 1.8
0.5 x 2.5 x 1.8
6
What is the median of 2, 5, 6, 8, 8 , 9 ?
6
7
8
7.5
7
What are the coordinates of the intersection of the red and blue lines?
( 0 , 3)
( 1 , 2 )
( 2 , 1 )
( -1 , 0 )
8
Simplify 5c + 6 - 2c by collecting like terms
3c2 + 6
3c + 6
7c + 6
9c
9
In which stage of a statistical enquiry would you draw a histogram?
Collecting data
Organising data
Summarising and displaying data
Analysing data
10
How do you turn an annual salary into a fortnightly salary?
Divide by 26
Divide by 12
Divide by 52
Divide by 4
11
A straight line has equation y = 3x + 2. What is its gradient?
2
3/2
3
3x
12
Which of the following is true?
y2 = 52 + 132
13 = y + 5
132 = y2 + 52
52 = y2 + 132
13
SFX decides to do a survey by selecting every 10th student in alphabetical order. This is...
A systematic sample
A quantitative sample
A stratified sample
A random sample
14
Write 456 300 correct to 3 significant figures
460 000
456 000
457 000
456
15
The probability it rains tomorrow is 0.3. What is the probability it does not rain?
0.7
0.4
0.6
0.5
16
Simplify the following algebraic fraction
7x / 16
7x / 8
7x2 / 8
7x2 / 16
17
What is the missing frequency?
45
46
44
67
18
What is the interquartile range of the following box and whisker plot?
12
18
26
8
19
GST is 10%. What is the cost of a TV including GST if the cost without GST is $800?
$880
$80
$720
$808
20
This graph shows what kind of depreciation?
Declining balance
Straight line
