Graphing and Break Even Analysis
Question 1
Plot on a graph the equation of the line Y = 6X - 3 (Plot 3 ordered
pairs)
Question 2
Solve the following simultaneous equations graphically (Use graph paper)
X + 2Y = 5
4X + Y = 6
Question 3
The cost of manufacturing dryers is partly fixed and varies partly as the number of dryers
produced (ie. it is linear). The dryers are sold at $200 each. When 50 dryers
are produced the total cost is $12 000 and when 250 dryers are produced the total cost is
$44 000
(a) graphically represent the relationship between the cost of production and the
number of dryers produced (ie. sketch the cost line)
(b) find the variable cost per dryer
(c) find the fixed cost
(d) state the total cost equation
(e) state the income equation
(f) sketch the income graph
(g) how many dryers should be produced and sold to break even?
(h) what is the profit/loss on 250 dryers?
