Hello :
f(x) = <span>a(x-k)²+k....... the point vertex is (h , k )
in this exercice : h = -3 and k = -1 s0 f(x) = a(x+3)²-1
find : a
but f(0)=8
a(0+3)² -1 = 8
9a-1=8
9a =9
a=1
f(x) =(x+3)²-1 =x²+6x+9-1
f(x) = x²+6x+8 .... (</span><span>the quadratic function in standard form )</span>
Answer:
it is 120
Step-by-step explanation:
Answer:
Answer is below
Step-by-step explanation:
x=1/4 or if you need a decimal version x=0.25
Answer:
umm km / nk
Step-by-step explanation:
I DONT know if this is right...…can u plz mark me brainiest? I really need it!!!!
Answer:
You did not show a picture so i can only help explain.
Step-by-step explanation:
When reflecting over the x-axis each point should have the same x coordinate and opposite y coordinate. For example from (9, 3) to (9, -3)
hope this helps!