BIM Chapter 3 Test

Front

Evaluate the expression when a=6 and b=8: a - 6

Back

0

Front

Write the phrase as an expression: 25 more than 50

Back

50 + 25

Front

Evaluate the expression when a=6 and b=8: 4 + a

Back

10

Front

Write the phrase as an expression: twice a number x

Back

2x or 2(x)

Front

Evaluate the expression when a=6 and b=8: ab

Back

48

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting the variables with given numbers.

Front

What is the difference between an expression and an equation?

Back

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

Front

What is the value of 'x' in the expression 3x + 2 = 11?

Back

3

Front

How do you write '7 less than a number y' as an expression?

Back

y - 7