SOLUTION: 1. How do you determine the y intercept of a function written in standard form? 2. How do you determine if a function written in vertex form has a maximum or minimum? 3. How do

Algebra ->  Rational-functions -> SOLUTION: 1. How do you determine the y intercept of a function written in standard form? 2. How do you determine if a function written in vertex form has a maximum or minimum? 3. How do      Log On


   



Question 1009668: 1. How do you determine the y intercept of a function written in standard form?
2. How do you determine if a function written in vertex form has a maximum or minimum?
3. How do you find the axis of symmetry when a function is written in vertex form?

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
1. Let x=0 and solve for y. y-intercept is (0,y)
.
2. Vertex form:
y=a%28x-h%29%5E2%2Bk
If a is positive, the function has a minimum.
If a is negative, the function has a maximum.
.
3. Axis of symmetry: x=h