1. Presidential Election Trivia

3. STEP 1: Always find the constant (k) first!

6.  Who lost the presidential election despite winning almost half a million more votes in the popular vote. He lost due to the outcome of the electoral college. Al Gore

7.  #1 y=30/13  #2 y=54  #3 Central Angle = 15 degrees

9.  In Pennsylvania, the state income tax is directly proportional to gross income. You are working in Pennsylvania and your state income tax deduction is $46.05 for a gross monthly income of $1500. Find a mathematical model that gives the Pennsylvania state income tax returns in terms of gross income.

10.  Direct Variation is Linear: y=kx  x increases as y increases  k is the slope  Indirect Variation is Rational:  As x increases, y decreases

11.  z varies jointly as x and y  or z is jointly proportional to x and y 

13.  FDR, LBJ, Nixon

14.  The profit at a burrito stand varies directly as 80% of the burritos sold when 20 burritos yield a profit of $6.00?  Find k (using fact that y=kx)  What is the profit when 75 burritos are sold?  What is the profit when 1 burrito is sold?