6th Period TCA 3 One Variable Algebra

Front

What is a variable in algebra?

Back

A symbol, often a letter, that represents an unknown value in an equation or expression.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the equation for combining like terms?

Back

Combine coefficients of the same variable. For example, 3x + 2x = 5x.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by two or more terms inside a parenthesis.

Front

What is an equivalent expression?

Back

Expressions that have the same value for all values of the variable.

Front

How do you isolate a variable in an equation?

Back

Use inverse operations to get the variable alone on one side of the equation.

Front

What is the solution to the equation 3x + 2x = -50?

Back

x = -10.

Front

What is the value of w in the equation 0.3w + 0.4 = 5.8?

Back

w = 18.

Front

What does it mean for an equation to be true?

Back

It means that when you substitute the variable with a specific value, both sides of the equation are equal.

Front

What is the result of applying the distributive property to (6d + 3) · 4?

Back

24d + 12.