Literal Equations

Front

Define a literal equation.

Back

A literal equation is an equation that contains two or more variables. It is often solved for one variable in terms of the others.

Front

What is the process of solving a literal equation for a specific variable called?

Back

Isolating the variable.

Front

Solve for R: IR = V.

Back

R = V/I.

Front

Solve for x: z = xy.

Back

x = z/y.

Front

Solve for r: I = prt.

Back

r = I/(pt).

Front

Solve for s: -2 = 4r + s.

Back

s = -4r - 2.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side of the equation by itself.

Front

What is the first step in solving the equation 4r + s = -2 for s?

Back

Subtract 4r from both sides.

Front

If you have the equation A = bh, how do you solve for h?

Back

h = A/b.

Front

What is the importance of rearranging equations in algebra?

Back

Rearranging equations allows us to solve for specific variables and understand the relationships between different quantities.