Variables and Expressions 5.1

Front

True or False: An algebraic expression does not have an equal sign.

Back

True

Front

Which of the following shows a variable? Options: g + 7, g + 7 = 10, g, 7g

Back

g

Front

Evaluate 8a - b if a = 10 and b = 6.

Back

74

Front

Which of the following is the answer when you add? Options: sum, product, difference, quotient

Back

sum

Front

Which expression matches the phrase: 3 times a number? Options: 3+y, 3y, 6 + 3y, 3 - y

Back

3y

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operations but does not have an equal sign.

Front

What is the sum of 5 and 3?

Back

8

Front

What does the term 'evaluate' mean in mathematics?

Back

To calculate the value of an expression.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.