Unit 2 Semester Review - Expressions

Front

What is the result of simplifying the expression -(-x + 2) - 4x?

Back

-3x - 2

Front

Factor the expression 10a^4 + 16a + 10a^2.

Back

2a(5a^3 + 8 + 5a)

Front

What is the result of the expression 3(2x + 1) + 2(x - 4)?

Back

8x - 5

Front

What is the result of simplifying -12n - (-13n)?

Back

n

Front

What is the result of the expression ½(8x + 2)?

Back

4x + 1

Front

Define an expression in mathematics.

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What does it mean to factor an expression?

Back

Factoring an expression means to break it down into simpler components that, when multiplied together, give the original expression.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.