Concepts Midterm Practice

Front

What is the result of the expression 2 - 4?

Back

-2

Front

How can you represent the expression '5x + 2' in words?

Back

the sum of five times a number x and two

Front

What is the result of the expression -15 + 5 + 20?

Back

10

Front

If a=2 and b=7, what is the result of (16 + a) - (b + 5)?

Back

6

Front

Simplify the expression by combining like terms: 5a + 2b - 3a + 4.

Back

2a + 2b + 4

Front

What is the definition of 'like terms' in algebra?

Back

Terms that have the same variable raised to the same power.

Front

What is the distributive property in mathematics?

Back

a(b + c) = ab + ac

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.

Front

What is the value of x in the equation 3x + 5 = 14?

Back

x = 3

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.