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Year 12 Simultaneous equations pretest
By Malinda Gardner
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Last updated about 4 years ago
8 questions
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Note from the author:
Year 12 Standard 2 pretest
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Question 3
3.
Question 4
4.
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Question 8
8.
The table below shows the speed v (in km/s) of a plane at time t seconds.
Determine a linear model in the form y=mx+c to describe this situation. (write a rule to fit the table of values)
Question 1
1.
Question 2
2.
What is the equation of this line?
The cost of manufacturing bags (C ) is given by the formula c=40x+150, where x is the number of bags sold. What is the cost of manufacturing two bags?
$40
$150
$190
$230
Question 5
5.
Question 6
6.
Question 7
7.
What is the gradient of this line?
-3/2
-2/3
2/3
3/2
What is the y-intercept of this line?
-2
-1
1
2
What is the profit for selling 1212 items?
$10
$20
$220
$240
What is the break-even point?
10 items
12 items
20 items
80 items
What is the loss for selling 55 items?
$20
$30
$40
$50
