Evaluate Expressions

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

Simplify the expression: 2x + 1 + 7x

Back

9x + 1

Front

Which of the following represents twice the difference of a number and 7?

Back

2(x - 7)

Front

Choose the verbal phrase that matches the algebraic expression: 37 + 8x

Back

37 more than 8 times a number

Front

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

Back

74

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

Define a variable in algebra.

Back

A symbol, often a letter, that represents an unknown value.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a across the sum.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor multiplied by a variable.