December 5th- Lesson 6.2

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operations (like addition or multiplication) but does not have an equal sign.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, typically represented with an equal sign.

Front

Solve for x: x + 18 = 25

Back

x = 7

Front

Write the equation for: Jeremy spent $7 on a sandwich and a drink, with the drink costing $1.75. How much did the sandwich cost?

Back

s + 1.75 = 7; s = 5.25

Front

Solve for x: x - 237 = 115

Back

x = 352

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Front

What is the purpose of using algebraic expressions?

Back

Algebraic expressions are used to represent real-world situations mathematically, allowing us to solve problems involving unknown quantities.

Front

What is the first step in solving the equation x + 5 = 12?

Back

The first step is to isolate the variable x by subtracting 5 from both sides of the equation.

Front

What is the solution to the equation 3x = 12?

Back

x = 4