quadratic functions

Question 1

what is standard form

Answer 1

y=ax^2+bx+c

Question 2

how can you tell if there is a min or max in standard form

Answer 2

min> positive a

max> negative a

Question 3

how can you tell the y intercept of standard form

Answer 3

it is the c

Question 4

how to find the axis of symmetry in standard form

Answer 4

x=-(b/2a)

Question 5

how to know when standard form gets narrow or wider

Answer 5

narrow lal>1

wider lal<1

Question 6

what is vertex form

Answer 6

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

Question 7

how to find the vertex of vertex form

Answer 7

it is the h and k
ex:
-(x+2)^2 +5
v= (-2,5)

Question 8

how to find the axis of symmetry in vertex form

Answer 8

x=h

WRITE AS x=

Question 9

what is intercept form

Answer 9

y= a(x-p)(x-q)

Question 10

how to find x intercepts in intercept form

Answer 10

they are p and q

Question 11

how to find axis of symmetry in intercept form

Answer 11

x= (p+q/2)

Question 12

how to foil

Answer 12

first, outter, inner, last