Chapter 4 Flashcards
1
Q
Vertex form
A
Y=a(x-h)2+k
2
Q
Intercept form
A
Y=(x-p)(x-q)
3
Q
How to find the y intercept from general form
A
It is (0,C)
4
Q
Vertex formula
A
-b/2A
5
Q
Intercept form finding the axis of symmetry
A
Use the distance formula
6
Q
Distance formula
A
2
7
Q
How to tell if something is linear
A
If x is to the first and there is no xy
8
Q
Sum of cubes
A
A3+B3=(a+b)(a2-ab+b2)
9
Q
Difference of cubes
A
A3+B3=(a+b)(a2+ab+b2)
10
Q
How to use the sum and difference of cubes ex. 8x2-1
A
Take the cube roots of each, number
Plug them in to the formula
11
Q
Duplicity
A
Having two options
12
Q
How to find the vertex in vertex form
A
It is given. (H,K)
13
Q
How to formally graph quadratic equations.
A
You need 5 points
1 vertex
2 y intercepts
2 choice.
14
Q
How to calculate the y intercepts
A
Plug in x=0 then mirror
15
Q
General form
A
Y=Ax^2+Bx+C
