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Objectives The student will be able to:. 1. find the degree of a polynomial. 2. arrange the terms of a polynomial in ascending or descending order. SOL: none. Designed by Skip Tyler, Varina High School. What does each prefix mean?. mono one bi two tri three. What about poly?.

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objectives the student will be able to
ObjectivesThe student will be able to:

1. find the degree of a polynomial.

2. arrange the terms of a polynomial in ascending or descending order.

SOL: none

Designed by Skip Tyler, Varina High School

what does each prefix mean
What does each prefix mean?

mono

one

bi

two

tri

three

what about poly
What about poly?

one or more

A polynomial is a monomial or a sum/difference of monomials.

Important Note!!

An expression is not a polynomial if there is a variable in the denominator.

state whether each expression is a polynomial if it is identify it
State whether each expression is a polynomial. If it is, identify it.

1) 7y - 3x + 4

trinomial

2) 10x3yz2

monomial

3)

not a polynomial

which polynomial is represented by
Which polynomial is represented by

X

1

X

1

X2

X

  • x2 + x + 1
  • x2 + x + 2
  • x2 + 2x + 2
  • x2 + 3x + 2
  • I’ve got no idea!
slide6

The degree of a monomial is the sum of the exponents of the variables.Find the degree of each monomial.

1) 5x2

2

4a4b3c

8

-3

0

to find the degree of a polynomial find the largest degree of the terms
To find the degree of a polynomial, find the largest degree of the terms.

1) 8x2 - 2x + 7

Degrees: 2 1 0

Which is biggest? 2 is the degree!

2) y7 + 6y4 + 3x4m4

Degrees: 7 4 8

8 is the degree!

a polynomial is normally put in ascending or descending order
A polynomial is normally put in ascending or descending order.

What is ascending order?

Going from small to big exponents.

What is descending order?

Going from big to small exponents.

put in descending order
Put in descending order:
  • 8x - 3x2 + x4 - 4

x4 - 3x2 + 8x - 4

2) Put in descending order in terms of x:

12x2y3 - 6x3y2 + 3y - 2x

-6x3y2 + 12x2y3 - 2x + 3y

3 put in ascending order in terms of y 12x 2 y 3 6x 3 y 2 3y 2x
3) Put in ascending order in terms of y: 12x2y3 - 6x3y2 + 3y - 2x

-2x + 3y - 6x3y2 + 12x2y3

  • Put in ascending order:

5a3 - 3 + 2a - a2

-3 + 2a - a2 + 5a3

write in ascending order in terms of y x 4 x 3 y 2 4xy 2x 2 y 3
Write in ascending order in terms of y:x4 – x3y2 + 4xy–2x2y3
  • x4 + 4xy– x3y2–2x2y3
  • –2x2y3 – x3y2 + 4xy + x4
  • x4 – x3y2–2x2y3 + 4xy
  • 4xy –2x2y3 – x3y2 + x4