Algebraic Substitution (No Negatives)

Front

What is algebraic substitution?

Back

Algebraic substitution is the process of replacing a variable in an expression or equation with a specific value.

Front

Solve the equation: 4p = 16

Back

p = 4

Front

Evaluate 2r + 1 if r = 3

Back

7

Front

Evaluate 4y if y = 3

Back

12

Front

Work out the value of 2a^2 + c^2 when a = 3, c = 5.

Back

43

Front

Solve the equation: x + 7 = 12

Back

x = 5

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions or equations.

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 given values.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

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

Back

10