Check your skills on this quiz - look at the explanations on the questions you get wrong, and see me about things you don't understand. There is also a written section to this quiz. You will need to complete it, and have it corrected, before you sit the SAC.
Questions and Answers
1.
2x+2y=3What is the gradient of the equation above?
2.
2x+2y=3What is the y intercept of the equation above?
3.
2x+2y=3Rearrange the equation above to General Form? (y=a+bx)
4.
A line has a gradient of 4 and passes through the point (1, 2). What is the equation of the line in General Form? y=a+bx
5.
What is the equation for the line above? (y=a+bx)
6.
What is the equation for the line above?
7.
What is the point of intersection between the lines that define the two inequalties above?
8.
What is the equation of the line that passes through the point (2, 5) and is parallel to the equation y=-0.5x+5?
9.
From the graph above, is the origin included in the feasible region?
A. 
No
B. 
Yes
10.
WebDev is a web building company. It sells websites for $850 per annum.The running costs for the business are $12000 per annum, and each site they sell costs $300 in design and other services.How much money does WebDev need to make each year before it starts to make a profit?
11.
WebDev is a web building company. It sells websites for $850 per annum.The running costs for the business are $12000 per annum, and each site they sell costs $300 in design and other services.How many websites does WebDev need to sell each year before it starts to make a profit?
12.
WebDev is a web building company. It sells websites for $850 per annum.The running costs for the business are $12000 per annum, and each site they sell costs $300 in design and other services.If they make a profit of approximately $30000, how many sites did they sell?
13.
WebDev is a web building company. It sells websites for $850 per annum.The running costs for the business are $12000 per annum, and each site they sell costs $300 in design and other services.If the revenue is $95000 how much profit will they make?
14.
What is the value of 'n' for the graph above?
15.
What is the equation for the graph above? (x^2 is x squared)
16.
What is the value of n for the graph above?
17.
What is the starting time for an athlete who is 13 years old?