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Presentation transcript:

Quiz Time!! Clear your desk (except for pencil, calculator, and paper - if you want).

Acc. Coordinate Algebra / Geometry A Day 7 Writing Expressions and Translations Learning Target: Students can understand the “language” of mathematics.

Definitions

Algebraic Expression Can have variables, numbers, addition, subtraction, multiplication, division, parenthesis, square roots, exponents… Examples:

Variable Symbols or letters used to represent an unknown Examples:

Term How many items are being added, subtracted, divided Examples:

Like Terms Same variable raised to the same power Examples:

Coefficient The number in front of a variable Examples:

Exponent The number up in the air next to a base The number of times you multiply something times itself Examples:

Base What the exponent sits on The part that has been raised to a power Examples:

Constant A number that has no variable It can be positive or negative Examples:

Factors Items that are being multiplied together Can be numbers, variables, parenthesis Examples:

Order of Operations Simplify inside parenthesis Take care of exponents In order from left to right, multiplication or division In order from left to right, addition or subtraction Example:

TRANSLATIONS

ADDITION Sum Plus Add More Than Increased Together

SUBTRACTION Difference Minus Decreased Less Than (swaps the order) Take away

DIVISION Quotient Half Divide by

MULTIPLICATION Product Twice Double Triple Times

EXPONENTS Square Cubed To the power of Raised to a power

Translate The sum of a number and 10

Translate The product of 9 and x squared

Translate 9 less than g to the fourth power

Translate 8 + 3x

Homework Expressions and Translations