Practical Problem: Expanding a Parking Lot
Using a quadratic equation to solve a practical problem involving enlarging a parking lot. Checking the solution to be sure it makes sense in the context of the problem.
Practical Problem: Find Travel Speed
In a practical illustration, travel speed is calculated using two ordered pairs.
Practical Problem: Find the Number of Pizzas and Subs
Practice evaluating a practical problem, developing an equation based on the essential information using a table to help, then solving the equation.
Practical Problem: Find the Rate of Gas Pumped
Illustrating the slope formula with a practical rate problem.
Practical Problem: Finding Average Speed
Complex fractions often appear in formulas used to solve problems. A practical problem involving the rate, time, and distance formula illustrates working with complex fractions.
Practical Problem: Finding Volume
A practical problem about volume is solved using division of a rational expression.
Practical Problem: Finding the Amount of Electrical Current
Evaluating a rational expression to find out why a fuse keeps blowing out. Using the formula to find the total resistance of a parallel circuit.
Practical Problem: Finding the Cost of a Taxi Ride
Writing an equation in slope-intercept form to solve a rate problem.
Practical Problem: Finding the Price of Chairs
A practical problem is used to demonstrate the strategy of doing the addition and subtraction before doing the division when solving an equation.
Practical Problem: Finding the Speed of the Wind
A practical problem involving two airplanes requires finding their true speed after factoring in wind speed. The rate, time, and distance formula is used to solve the problem.