Algebraic Expressions Practice Test 2020-2021

Front

What is the distributive property in algebra?

Back

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

Front

How do you simplify the expression 9(a + 3) using the distributive property?

Back

By applying the distributive property, 9(a + 3) simplifies to 9a + 27.

Front

What is a variable in an algebraic expression?

Back

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

Front

In the expression 2y + 5, what is the variable?

Back

The variable is y.

Front

How do you evaluate an expression when given specific values for the variables?

Back

Substitute the given values for the variables into the expression and then perform the arithmetic operations.

Front

Evaluate the expression 17 - x when x = 5.

Back

When x = 5, the expression evaluates to 12.

Front

What is the process to evaluate the expression a + 3 when a = 7?

Back

Substitute 7 for a in the expression, resulting in 7 + 3 = 10.

Front

How do you write a phrase as an algebraic expression?

Back

Identify the mathematical operations described in the phrase and translate them into symbols.

Front

What is the algebraic expression for 'the difference of a number h and 5'?

Back

The expression is h - 5.

Front

What does it mean to simplify an algebraic expression?

Back

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