Gr 12 Math Lit: Ch 1.3 Tarif Systems

The point where the total costs of two options are equal

To decide which option is more cost-effective at different levels of usage

Skills from the 'patterns, relationships and representations' section of Mathematics Literacy

<p>Comparing electricity or water tariffs to determine the best plan for a family</p> Signup and view all the answers

<p>It determines which option is more cost-effective at different levels of usage</p> Signup and view all the answers

<p>Accurate mathematical calculations</p> Signup and view all the answers

<p>To specify how charges are applied based on usage</p> Signup and view all the answers

<p>A constant fee that must be paid regardless of usage</p> Signup and view all the answers

<p>The amount by which the total cost changes per unit of usage</p> Signup and view all the answers

<p>Analyse each option individually</p> Signup and view all the answers

<p>A horizontal line up to a certain number of units, followed by a straight-line graph</p> Signup and view all the answers

<p>The points at which the cost graphs of different options cross each other</p> Signup and view all the answers

<p>To visually compare the costs of different options</p> Signup and view all the answers

<p>Points of intersection that determine at what level of usage one option becomes cheaper or more expensive than another</p> Signup and view all the answers

<p>Municipal tariffs</p> Signup and view all the answers

<p>To compare different tariff systems</p> Signup and view all the answers

<p>Rand</p> Signup and view all the answers

<p>Single straight-line graph</p> Signup and view all the answers

<p>They indicate the most cost-effective option at a specific usage level.</p> Signup and view all the answers

<p>The level of usage where one option becomes cheaper or more expensive than another</p> Signup and view all the answers

<p>To identify the most cost-effective option at a specific usage level.</p> Signup and view all the answers

<p>To compare different tariff systems</p> Signup and view all the answers

<p>The break-even point is the point where the cost-effectiveness of two options is equal.</p> Signup and view all the answers

<p>That the units used are consistent</p> Signup and view all the answers

<p>Analysing transport tariffs for school trips.</p> Signup and view all the answers

<p>It makes it easier to compare different tariff systems</p> Signup and view all the answers

<p>The skills needed for drawing graphs are from the 'patterns, relationships and representations' section of Mathematics Literacy.</p> Signup and view all the answers

<p>They are essential to determine costs and break-even points.</p> Signup and view all the answers

<p>To visualize the relationships between different options</p> Signup and view all the answers

<p>Community projects</p> Signup and view all the answers

<p>They represent the regions where one option is more cost-effective</p> Signup and view all the answers

<p>Performing accurate mathematical calculations</p> Signup and view all the answers

<p>Household projects</p> Signup and view all the answers

<p>It enables the comparison of different options at different levels of usage</p> Signup and view all the answers

<p>To calculate the total monthly cost</p> Signup and view all the answers

<p>They ensure accuracy in calculations</p> Signup and view all the answers

<p>To visualize the cost-effectiveness of each option</p> Signup and view all the answers

<p>The tariff rate is constant</p> Signup and view all the answers

<p>Visualization of cost-effectiveness</p> Signup and view all the answers

<p>Accurate mathematical calculations</p> Signup and view all the answers

<p>They provide a structured pricing plan</p> Signup and view all the answers

<p>The tariff rate is directly proportional to the total monthly cost</p> Signup and view all the answers