Notes for L14.2 Finding Cube Roots
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Topic: Functions HF: 428 Level: Apply Lesson: 14.2 Do: Page: 634 Find cube roots and evaluate expressions involving square roots. Essential Question: How is the cube root of a number different than the square root of a number? Questions: Notes: A ______ ______ of a number is a number that, when multiplied by itself, and then multiplied by itself again, equals the given number. A _________ _______ is a number that can be written as the cube of an integer. π The symbol √ is used to represent a cube root. A) Finding Cube Roots Find the cube root of: π 1) √π π 2) √−πππ Questions: π 3) √− ππ ππππ π 4) √−ππππ B) Evaluating Expressions involving Cube Roots Evaluate the expression involving cube root(s): π 5) ππ − π √π π π 6) ( √−ππ) + ππ π 7) π √πππ − ππ Questions: C) Evaluating an Algebraic Expression 8) π ππ + π ππππ π = ππ π 9) ππ − √ππ ππππ π = −π D) Solve Equations Involving Cube Roots 9) π − π π πππ Questions: 10) D) Real-Life Application 11) The volume of a music box that is shaped like a cube is 512 cubic centimeters. Find the surface area of the music box. Summary:
