Evaluate expressions by substituion 2

Front

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

Back

74

Front

Evaluate 7a + 8b x 2 if a = 3 and b = 4

Back

85

Front

Evaluate n + 5² for n=3

Back

28

Front

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

Back

44

Front

Evaluate 4b - 5a if a = 3 and b = 4

Back

1

Front

What is substitution in algebra?

Back

Substitution is the process of replacing a variable with a number or another expression.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their corresponding numbers.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

If a = 2 and b = 3, what is the value of 3a + 4b?

Back

18

Front

Evaluate 5x + 3y if x = 4 and y = 2

Back

26