Math Vocab Recap

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression. For example, in the expression 3x, 3 is the coefficient.

Front

What does the inequality c < 12 represent in a real-world context?

Back

It represents that the number of conchas (c) Lucia orders is fewer than 12.

Front

How do you solve the inequality -39 > x - 20?

Back

To solve, add 20 to both sides: -39 + 20 > x, which simplifies to -19 > x.

Front

What is an inequality?

Back

An inequality is a mathematical sentence that shows the relationship between two expressions that are not equal, indicating that one is greater than, less than, or not equal to the other.

Front

What does the inequality f ≤ 5 mean in the context of Dwayne's party?

Back

It means that Dwayne can put at most 5 fidgets in each bag for the party favors.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

Front

What is the solution set of the inequality x < 5?

Back

The solution set includes all real numbers less than 5.

Front

What does it mean if an inequality has no solution?

Back

It means there are no values that can satisfy the inequality, such as x > x.

Front

What is a variable in mathematics?

Back

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

Front

What is the purpose of using inequalities in real-life situations?

Back

Inequalities help model situations where limits or constraints are involved, such as budgets, capacities, or preferences.