Adding and Subtracting Mixed Measures Polynomials

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Presentation transcript:

Adding and Subtracting Mixed Measures Polynomials Lesson 80

Mixed Measures Addition Line up matching units Add like units Work right to left 29 minutes 45 seconds + 33 minutes 32 seconds

Mixed Measures Cont. Subtraction Line up matching units Subtract like units from right to left Regroup units using equivalences 15 pounds 2 ounces − 7 pounds 10 ounces

Polynomials Monomial (one term): 5 𝑥 6 ;7; 𝑥 3 𝑦;5𝑥𝑦𝑧;𝑧 Binomial (two terms): 𝑦+3; 𝑥 2 𝑦+5𝑥;𝑥𝑦𝑧+9 𝑧 3 Trinomial (three terms): 𝑥 2 +5𝑥+6;𝑥+7𝑥𝑧+𝑧

Degree of Polynomials The greatest exponent in the polynomial First degree (linear): 3x + y + 1 Second degree (quadratic): 𝑥 2 +2𝑥+4 Third degree (cubic): 3 𝑥 3 +2 𝑥 2 +𝑥 −4 Descending order: greatest exponent on the left and the least exponent on the right

Adding Polynomials Line up like terms Add like terms Add the binomials x + 7 and 3x – 2