1.The revenue function for a company is R(x) = $20x -500. Fixed costs are 300 and the unit cost is $10. Determine the cost function.*

A 10x + 300

B 300x + 10

10x - 300

300x - 10

2.The revenue function for a company is R(x) = $20x -500. Fixed costs are 300 and the unit cost is $10. What is the profit function? *

10x + 800

10x - 200

30x + 800

10x - 800

3.The revenue function for a company is R(x) = $20x -500. Fixed costs are 300 and the unit cost is $10. Determine the profit when 200 units are sold.*

$1200

$2800

$6800

$1800

4.The revenue function for a company is R(x) = $20x -500. Fixed costs are 300 and the unit cost is $10. How many units must be sold for the company to break - even? *

80

8

800

10

5.What is the gradient of the line y = x+3?*

1

-1

3

0

6..The straight line with gradient 2/5 and y intercept -4 is *

y = -4+2/5x

y - 5/2x =4

y+ 2/5x = -4

y = 2/5x +4

7.Find the gradient of the line joining the points A(-2 , 5) and B(3 , 7).*

-5/2

-2/9

2/5

9/2

Option 2

8.Find the gradient of the line perpendicular to y = 3x - 6 *

3

-3

1/3

-1/3

9.What is the equation for the line that is parallel to y = 3x + 23, and passes through the point (1 , 4)?*

y=-1/3x + 13/3

y=3x - 2

y= 3x - 7

y= 3x- 7

8.Determin the y- intercept of a straight line passing through the point (4 ,-8) and has a gradient of -2/5.*

9 3/5

-6 2/5

-9 3/5

6 2/5

9.A line of gradient 1/3 passes through the point (0 , 3). An equation of the line is:*

y= 1/3 x + 3

y= 1/3 x

y= 3x

y= -3x + 3

10.At which point does the graph of 4x - 3y + 3 = 0, cuts the y - axis?

(0,3)

(-1,0)

(0,1)

(1.0)

11.A straight line passes through the points P (2 , 1) and Q (-14 , 5). What is the equation of AQ*

y= -4x + 6

y= -2x - 6

y= -1/4 x + 3/4

y= 1/4 x + 2

12.Given the equation of a straight line -5x - 2y = 4, what is the gradient of the line?*

-5

5/2

-5/2

2/5

13.If the equation of a straight line is 8y - 6x = 10, what is the y-intercept?*

10

3/4

4/5

5/4

14. Given the equation of the straight line y -3x = -5x + 7, what is the gradient of the line?*

-8

-5

-3

-2

15 .The liney = mx + c passes through the points (3 , 7) and (5 , 13). What are the values of m and c?*

m = 2, c = 5

m = 3, c = -2

m = 4, c = 8

m = 7, c = 20

16.Costs that must be paid regardless of how much of a good or service is produced. They do not change in the short term, regardless of output are called *

variable costs

total costs

fixed costs

the selling price

17.Fixed Cost + Variable Cost =*

Fixed costs

Breakeven point

Total costs

Variable cost

18. A negative difference between the revenues taken in by a business and the costs of operating a business:*

Profit

Loss

Break-even

Closed

19.Given the points A(2 , 5) and B(3 , 6), what is the mid-point of the straight line AB?*

(3.5 , 4.5)

(2.5 , 5.5)

(4 , 4)

(-1 , _1)

20.A company that makes chairs has fixed costs of $600 and variable cost of $18 per chair. The company plans to sell the chairs for $30 each. What is the cost function?*

C(x) = 21x + 6000

C(x) = 18x + 6000

C(x) = 30x + 6000

C(x) = 48x + 6000

21.A company that makes chairs has fixed costs of $600 and variable cost of $18 per chair. The company plans to sell the chairs for $30 each. What is rge revenue function.*

R(x) = 12x

R(x) = 18x

R(x) = 30x

R(x) = 48x

22..The cost function for a certain company is C(x) = 5600 + 23x and the revenue function is R(x) = 35x. What is the cost associated with the production of 200 units.*

$15600

$12600

$10200

$8000