Respuesta :
Answer:
A) open up if [tex]a[/tex] is positive .
B) open down if [tex]a[/tex] is negative.
Step-by-step explanation:
If you are given a quadratic in vextex form, [tex]y=a(x-h)^2+k[/tex], then the parabola is:
A) open up if [tex]a[/tex] is positive .
B) open down if [tex]a[/tex] is negative.
Answer:
See below.
Step-by-step explanation:
The coefficient of x^2 will tell you this. If it is positive the graph opens upwards , negative it will open downwards.
For example
-(x - 4)^2 + 1 will open downwards and (x - 4)^2 + 1 will open upwards.
