Evaluate algebraic expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

How do you evaluate an algebraic expression?

Back

To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the operations according to the order of operations.

Front

What is the perimeter of a square?

Back

The perimeter of a square is calculated by adding the lengths of all four sides. It can also be calculated using the formula P = 4s, where s is the length of one side.

Front

Evaluate the expression 3a^2 - ab when a = -1 and b = 3.

Back

6

Front

If v = -2, what is the perimeter of a square with side (9 - v)?

Back

44 units

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated using the formula P = 2(length + width).

Front

Evaluate 3x - 4y when x = 2 and y = 3.

Back

-6

Front

What does it mean to substitute a value in an expression?

Back

Substituting a value means replacing a variable in an expression with a specific number to evaluate the expression.

Front

Evaluate (3x - 4)(x + 8) when x = 2.

Back

20

Front

What is the length of a rectangle if it is represented by (5x - 3) and x = 2?

Back

7