Presentation on theme: "Day Problems Write an algebraic expression for each phrase."— Presentation transcript:
1 Day Problems Write an algebraic expression for each phrase. 1. The quotient of 4 and c.2. The sum of 15 and m.Define a variable and write an algebraic expression for each phrase.3. 9 less than four times a number.4. The sum of twice a number and 31.
2 1.2 Exponents and Order of Operations Simplifying and evaluating expressions and formulasTo simplify a numerical expression, you replace it with its simplest name.Ex. The simplest name for 2 • • 3 is 22.Expressions may include exponents.Exponents provide a shorthand way to show a product of equal factors.EX. 24 = 2 • 2 • 2 • 2 - two to the fourth power2 – base, 4 – exponentReplace 24 with its simplest name, 16.
3 Order of OperationsPerform operation(s) inside grouping symbols (Parenthesis, brackets, etc.).Simplify powers.Multiply and divide in order from left to right.Add and subtract in order from left to right.PEMDAS (Please Excuse My Dear Aunt Sally)