Math and Graphing Review Solving Linear Equations Post-test Question 1 of 5

1.) The following equation describes the quantity of iPads consumers want to buy at a every price. Let stand for quantity of iPads and stand for the price of an iPad.

=10,00025.

How many iPads will consumers wish to by at a price of $300? In other words, if =300, solve for Q

=

25,000 2,500 5,000 250

2.Math and Graphing Review Solving Linear Equations Post-test Question 2 of 5

The following equation describes the quantity of tacos that restaurants would make given the price of tacos. Let stand for quantity of tacos and stand for the price of a taco.

=100+10. At what price would producers be willing to supply 150tacos? In other words, solve for when =150.

=

3. Math and Graphing Review Solving Linear Equations Post-test Question 3 of 5

Suppose economists can use the following two equations to describe a market.

=502

=30+3

Solve the system of equations for where represents a price in dollars ($).

=

4. Math and Graphing Review Solving Linear Equations Post-test Question 4 of 5

Suppose the smalltown market for bubble gum has the following inverse demand and supplyfunctions:

• =201/3
• =10+1/5

Using these inverse supply and demand functions, what will be the equilibrium price of bubblegum?

5. Math and Graphing Review Solving Linear Equations Post-test Question 5 of 5

Suppose the number of cups of coffee people want to buy as a function of price can be written as

=10010

where is the quantity of cups of coffee people want to buy and P is the price in dollars for a cup of coffee.

If last week the price of a cup of coffee was $3 and this week the price has increased to $4, how many fewer cups of coffee do people wish to buy thisweek?