Substitute and Evaluate Expressions

Front

Evaluate the expression: x + 2 when x = 6

Back

8

Front

Evaluate -2x + -3y if x = 10 and y = -6

Back

-2

Front

Write an algebraic expression for '12 more than number'.

Back

x + 12

Front

What is the value of 3x² - 7 when x = -5?

Back

68

Front

If p = -6, what does -10(p + 4) equal?

Back

20

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

Define a variable in mathematics.

Back

A symbol used to represent 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 order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

How do you substitute a value into an expression?

Back

Replace the variable in the expression with the given value.