Topics 3 and 4 (3-5, 3-6, 3-7, 4-1, and 4-2)

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value for all values of the variable(s) involved.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the solution to the equation 4.9 = 10.9 - x?

Back

x = 6.0

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other side.

Front

What is the value of x in the equation 17 = x + 3?

Back

x = 14

Front

Back

x = 100

Front

What number would make the equation x + 2 = 4 true?

Back

x = 2

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they yield the same result for any value of the variable.

Front

What is the first step in solving the equation x + 2 = 4?

Back

Subtract 2 from both sides of the equation.