Unit 6 Test IM 7th grade

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

Simplify the expression: 2(1 − x) + 3x

Back

2 + x

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

Solve for n: n - 10 + 9n - 3 = ?

Back

10n - 13

Front

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

Back

Inequalities are used to represent situations where there are limits or constraints, such as budgets or capacities.

Front

What is the first step in solving the inequality 9.99 + 1.29n ≤ 50?

Back

Subtract 9.99 from both sides to isolate the term with n.

Front

What does 'combining like terms' mean?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

What is the solution to the inequality 2x + 3 < 11?

Back

x < 4.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.