Unit 4 Study Guide

Front

Evaluate (3x - 4)(x + 8) when x = 2.

Back

20

Front

How is the number 9 best described in the expression 9m + 3n + 4?

Back

coefficient

Front

Which number is the BASE in the expression 2^3 = 8?

Back

2

Front

Which is equivalent to 3^4?

Back

81

Front

Calculate 3^2 + 4^2 - (4 x 2).

Back

17

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor in a term of an algebraic expression.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

Define a constant in an expression.

Back

A constant is a fixed value that does not change.

Front

What does the term 'term' mean in algebra?

Back

A term is a single mathematical expression that can be a number, variable, or the product of numbers and variables.

Front

What is the value of 2^3?

Back

8