Chapter 3 Flashcards
1
Q
What are x-imy
A
(R,s)
2
Q
What are the y-int
A
(Y=c)
3
Q
What is the aos and how do u find it
A
(X=h)
average zeros
4
Q
Steps to partial factoring (4) and
A
- factor out first 2 terms
- get zero and bracket opposite
- average those
- plug in average into original equation
5
Q
What happens when a is greater than > zero
A
Parabola opens up
6
Q
What happens when a is less than
A
Opens down
7
Q
What is vertex form
A
F(x)=a(x-h)2 + K
8
Q
What is standard form
A
F(x) = ax2 + bx + c
9
Q
What is zeros form
A
Fx=a(x-r)(x-s)
10
Q
When b2-4ac is greater than 0 how many zeros are there
A
2
11
Q
When b2-4ac is equal to 0 how many zeros are there
And how many POI
A
1 zero
1 POI
12
Q
When b2-4ac is less than 0 how many zeros are there
And pois
A
2 zeros
2 POI’s
13
Q
What letters are the min/max
A
K
14
Q
What must K be to have a max
A
Max is when K is less than zero
15
Q
What must the value of K be too have a min
A
K must be greater than zero
