Flashcard # 1: Solving linear equations and inequalities in one variable

Front

Which equation has x=9 as a solution?

Back

5x = 45

Front

A letter or symbol that represents an unknown value is called _____________.

Back

Variable

Front

Solve for x: 4 = 2(x + 3)

Back

x = -1

Front

Solve for x: 3x − 8 ≥ 4(x − 1.5)

Back

x ≤ −2

Front

Solve the linear inequality: x > 5

Back

x > 5

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the solution of an equation?

Back

The value(s) of the variable that make the equation true.

Front

What does it mean to solve an inequality?

Back

To find the range of values that satisfy the inequality.

Front

What is a coefficient?

Back

A numerical factor in a term of an algebraic expression.

Front

What is a constant?

Back

A fixed value that does not change.