Vocabulary
Graphs
Quadratics
Division & Zeros
Complex #s
100

A shortcut for long division

Synthetic division

100

Write the end behavior in function notation:


as x-->inf, f(x) -->inf

as x-->-inf, f(x) -->-inf

100

State the vertex:

y = (x+3)- 5

(-3, -5)

100

Divide x4 - 4x3 - 7x2 + 34x - 24 by x+3 using synthetic division


x3 - 7x2 +14x - 8

100

Simplify: 

sq root(-24)

2i sq root(6)

200

The directions that a graph goes as you look to the left and right

End behavior

200

Deg: Even or Odd?

LC: Pos or Neg?

Even, Positive

200

Re-Write in Vertex Form:

f(x) = x+ 10x + 14 

f(x) = (x+5)2 - 11

200

Divide 6x3 + 23x2 + 24x + 7 by 3x+7 using long division

2x2 + 3x + 1
200

Simplify:

-5 + 8i - (8 - 6i)

-13 + 14i

300

Name three synonyms for "root" of a polynomial equation.

Solution

Zero

X-intercept

300

State the roots and multiplicities

x=-3, x=2 mult 2, x=5

300

Write in standard form:

y = 3(x-7)2 - 4

y = 3x2 -42x + 143

300

Divide 2x5 - 14x3 + 24x - 24 by x-3 using synthetic division

2x4 + 6x3 + 4x2 +12x + 60 + 156/x-3

300

Simplify: 5i *  2i

-10

400

The number of times a factor appears in a polynomial.

Example: In the polynomial y=(x+4)2(x - 3), the factor (x+4) has a _______________ of 2.

Multiplicity

400

Write a possible equation in factored form for the polynomial shown:

y=(x+3)(x+2)(x-1)

400

Solve:

7x2 = -224

x = +/- 4i sq root 2

400
One solution of the polynomial y=x3+8x2+5x-14 is x=-2. Find ALL zeros!

x = -2, -7, 1

400

Simplify:

(3 + 2i)2

5 + 12i

500

The _________________ _____________ Theorem helps you determine a list of possible solutions for a given polynomial function.

The Rational Root/Zero Theorem

500

Write a possible equation in factored form for the polynomial shown: 

Note: LC must be negative!

y = -(x+1)2(x-2)3(x-4)

500

Solve:

4x2 - 4 = -24

x = +/- i sq root 5

500

Given that x-2 and x+3 are both factors of the polynomial 2x4 + 7x3 - 4x2 -27x -18, find the remaining FACTORS. 

(x -2)(x + 3)(2x + 3)(x + 1)
500
Simplify:

-2i(4 - 7i) - 7(-6 -7i)

28 + 41i