Quadratic equations that cannot be solved by factoring or the square root method can be solved using the quadratic formula. When an equation is in standard form, the values of a, b, and c, including their signs, can be s..
How to write an equation with one variable to solve a practical problem involving rate, time, and distance using a table to help organize the information.
Writing a two-variable system of equations to solve a practical problem involving rate, time, and distance using a table to help organize the information.
Practice solving a system of equations with the same variable.
Writing and solving a word problem using a one-variable approach.
Writing and solving a word problem using a two-variable approach.
An explanation of how to solve an algebraic equation by subtracting.
An explanation of how to solve an algebraic equation by adding.
An explanation of how to solve an algebraic equation by dividing.
Most people are more comfortable working with whole numbers than with fractions, so when an equation includes a fraction the first thing to do is get rid of the denominator.