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Recap: Zero and Negative

Part of the Exponents & Polynomials section of Coddy's Algebra journey. Lesson 31 of 64.

Challenge

Easy

Evaluate 4^-2 by hand: the fraction first, then the number.

Try it yourself

4^-2

Simplify the expression

All lessons in Exponents & Polynomials

2The Product Rule

Multiplying Same Bases With Coefficients More Than Two Factors The Rule in Letters Recap: The Product Rule

5Product and Quotient Powers

Every Factor Gets the Power With a Number Inside A Power of a Quotient All Three Rules Together Recap: Products and Quotients

8What a Polynomial Is

Terms with Powers The Degree Like Terms, Only Stronger Recap: Meet the Polynomials

11Dividing by a Monomial

Splitting the Fraction Dividing by a Variable Term Bigger Splits Cancel with Care Recap: Dividing

3The Quotient Rule

Dividing Same Bases Why Exponents Subtract With Coefficients The Rule in Letters Recap: The Quotient Rule

6Zero and Negative Exponents

The Zero Exponent Zero at Work Negative Means Reciprocal Writing Without Negatives Powers of TenRecap: Zero and Negative

9Adding and Subtracting

Adding Polynomials Subtracting Polynomials The Minus Reaches Everything Perimeter as a Polynomial Recap: Add and Subtract

12Final Challenges

Final: Three Rules, One Line Final: Scientific Notation Final: The Big Tidy Final: Area, Modeled Final: Area, Expanded Final: Divide and Conquer