Unit 2A

Question 1

What is standard form?

Answer 1

f(x) = ax^2 + bx +c

Question 2

What is Vertex Form?

Answer 2

f(x) = a(x-h)^2 + k

Question 3

How do you find the vertex of Standard Form?

Answer 3

(-b/2a, f(-b/2a))

Question 4

How do you find the vertex of Vertex Form?

Answer 4

(h, k)

Question 5

How do you find the AOS of Standard Form?

Answer 5

x = -b/2a

Question 6

How do you find the AOS of Vertex Form?

Answer 6

x = h

Question 7

How do yiu find the y-intercept of Standard Form?

Answer 7

(0, c)

Question 8

How do you find the y-intercept of Vertex Form?

Answer 8

(0, f(0))

Question 9

What is the domain of BOTH Standard and Vertex Form?

Answer 9

All Real Numbers

Question 10

What is the range of Standard Form?

Answer 10

[ f(-b/2a) , infinity ]

Question 11

What is the Range of Vertex Form?

Answer 11

[ k , infinity ) OR ( -infinity , k ]

Question 12

What is factored form?

Answer 12

f(x) = a(x-r1) (x-r2)

Question 13

What is the quadratic formula?

Answer 13

_______________
-b +/- |(b)^2 - 4 (a)(c)
——————————-
2 (a)

Question 14

What is the quadratic formula the same as?

Answer 14

Completeing the Square

Question 15

If an is > than 0 and n is even…

Answer 15

The graph goes up on both sides

Question 16

If an is > than 0 and n is odd…

Answer 16

The left of the graph goes doen and the right goes up

Question 17

If an is < than 0 and n is even…

Answer 17

The graph’s lines point down

Question 18

If an is < than 0 and n is odd…

Answer 18

The left of the fraph points up and the right points down

Question 19

The graph of a function with an EVEN multiplicity…

Answer 19

BOUNCES off the x-axis and FLATTENS out as the number gets higher

Question 20

The graph of a function with an ODD multiplicity…

Answer 20

Goes THROUGH the x-axis and CURVES as the multiplicity rises