Using Multiplication to Eliminate the 'x' Variable
Solving a system of equations in which the variable terms are not multiples of each other and have no common factors, using multiplication to eliminate the 'x' variable.
Using Multiplication to Eliminate the 'y' Variable
Solving a system of equations in which the variable terms are not multiples of each other and have no common factors, using multiplication to eliminate the 'y' variable.
Using Parentheses in the Order of Operations
Parentheses indicate a package and are a tool for changing the order of operations.
Using Proportion to Find Real Lengths from Scale Lengths
A specific formula is developed to solve a practical problem of converting scale length to real length in a scale drawing.
Using Slope and One Point on a Line to Write an Equation
Writing an equation in slope-intercept form given the slope and a point on the line.
Using Slope-intercept Form to Graph an Equation
Using the slope-intercept form, the line can be graphed simply by plotting the y-intercept and using that slope to find the second point.
Using Two Points on a Line to Write an Equation
Using the coordinates of two points on a line to write an equation involving the Celsius and Fahrenheit temperature scales.
Using a Quadratic Equation to Calculate What Size Driveway Will Fit Within the Budget
Using the quadratic equation to solve a practical problem that involves finding calculating the width and length a driveway can be given a budgeted amount of money.
Using a Table to Help Solve a Word Problem
How drawing a table can help to evaluate data and turn it into an equation that can be solved.
Using the Commutative and Associative Laws Together
The commutative and associative laws for addition can be combined. Demonstration of using the associative and commutative laws together in an addition problem.