Unit 5 Study Guide One-Step Equations & Inequalities

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step, typically by performing the same operation on both sides to isolate the variable.

Front

Solve for n: n - 10 = 17

Back

n = 27

Front

What does the inequality a < 350 represent?

Back

It represents that the amount spent (a) is less than $350.

Front

If Lorenzo has at most $40 and buys a book for $22, what inequality represents his remaining money?

Back

m ≤ 18

Front

What is the solution to the inequality 18 + n < 21?

Back

n < 3

Front

How do you represent a situation where a number is greater than a certain value?

Back

Use the symbol '>' to indicate that the number exceeds that value.

Front

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

Back

Inequalities help to express limits or constraints, such as budgets or maximum capacities.

Front

If 40 students need transportation in 12-passenger vans, how many vans are needed?

Back

4 vans are needed.

Front

What does the term 'variable' mean in mathematics?

Back

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

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.