The building blocks of math (1.3) Variables and Expressions.

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Presentation transcript:

The building blocks of math (1.3) Variables and Expressions

POD Warm up with a little PEMDAS. Send them via Navigator. How about absolute value? Solve for x = 5.

POD Warm up with a little PEMDAS. Send them via Navigator. How about absolute value? Solve for x = 5.

POD Warm up with a little PEMDAS. Send them via Navigator. How about absolute value? Solve for x = 5.

SAT Question #1 Send your responses via Navigator. Ifthen P = How did you get your answer?

SAT Question #2 Send your responses via Navigator. Iffind 6x. How did you get your answer?

SAT Question #3 Send your responses via Navigator. Simplify How did you get your answer?

Polynomials– expressions with numbers and variables involving only addition, subtraction, and multiplication This year we’ll work a great deal with polynomials. It will pay to have a look at the various polynomial parts, the PP’s if you will. We have lions and tigers and bears– oh, wait. We have coefficients, variables, and exponents. With those parts, we can ONLY add, subtract, and multiply. Can someone give an example of a polynomial? (Think of the graphs you studied in Algebra I.)

Polynomials– expressions with numbers and variables involving only addition, subtraction, and multiplication a n x n + a n-1 x n-1 + a n-2 x n-2 + a n-3 x n-3 + … a 1 x + a 0 This is a general shape for a polynomial– looks odd, but we can have it make sense. Identify the parts: coefficient, leading coefficient variable exponent/ degree We have two ways to classify polynomials– size and degree: monomial, binomial, trinomial linear, quadratic, cubic, quartic, etc.

Polynomials– expressions with numbers and variables involving only addition, subtraction, and multiplication Is 5 a polynomial? Are these? Why or why not?