ORDER OF OPERATIONS

PEMDAS, an acronym most students learn as early as the second grade. PEMDAS describes the order in which operations are organized.

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(    )Parentheses    2^x Exponents x, *, (    ) Multiplication

÷, / Division    + Addition    - Subtraction

These operations are to be used with you evaluate an expression.

Examples

4(3x +5) – 12 —-> 12x + 20 – 12 —–>  12x – 8 —->  12x/12 = -8/12 —>

x = -1/3

MONOMIALS RULE!

Rules to remember for monomials

• When you multiply coefficients, you add exponents
• When you divide coefficients, you subtract exponents
• When you raise an exponent to a power, you multiply exponents