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Depdendent Variable

Number of equations to solve:

Equ. #1:

Equ. #2:

Equ. #3:

Equ. #4:

Equ. #5:

Equ. #6:

Equ. #7:

Equ. #8:

Equ. #9:

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Enter inequality to graph, e.g. y<3x^2-1

Dependent Variable

Number of inequalities to solve:

Ineq. #1:

Ineq. #2:

Ineq. #3:

Ineq. #4:

Ineq. #5:

Ineq. #6:

Ineq. #7:

Ineq. #8:

Ineq. #9:

Solve for:

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Solving Linear Equations

1. The cost for producing x items is given by the equation C = 3x + 100. If the total cost
was 700, how many items were produced?

2. The demand for a certain product is given by the equation p = 5q + 450. Here p is the
price and q is the quantity. How many items can be sold if the price p is 1120?

3. A firm produces two types of tires - snow and radial. Snow tires require 3 hours for each tire
and radial tires require 2 hours. If there are 400 work hours are available for producing the
tires, and 50 snow tires are produced in a run, how many radial tires can now be produced?

4. A business manager figures that he can cut salaries by 10% and give everyone a 10% raise
and come out even. Is he correct? Why?

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