Cubic And Quadratic Expressions
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4Cubic and Quadratic
Name ___________________________________
Expressions
Date ____________________________________
Unit 4
Homeroom_____________________________
Objective: SWBAT explain ____________ and ____________ the solutions to expressions of the form _____ and ____.
Do Now
Find the square roots of each number. If the number is not a perfect square estimate to the
nearest whole number.
1) √
2) √
3) √
Solve the equations for the unknown variable:
(
)
4)
5)
Stop & Jot: Can you think of an example of when square roots or cube roots would be useful in
the real world?
Solutions to cubics and quadratics
Ex 1) Mr. Webster’s bedroom is a perfect cube shape. If the volume of the room is
3
_____ ft
, then how tall is the room?
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