Answer:
ill try 2x2-4x-30=0
Two solutions were found :
x = 5
x = -3
Step by step solution :
Step 1 :
Equation at the end of step 1 :
(2x2 - 4x) - 30 = 0
Answer:
Solutions are x =4 and y = 1
Step-by-step explanation:

In this equation substitute
, we get

now substitute y =1 in x equation,

Solutions are x =4 and y = 1
I don’t think that exists
Answer:
k is the vertical shift
Step-by-step explanation:
y=a(x-h)^2+k
This gives the parabola in vertex form
(h,k) is the vertex where h is the x coordinate and k is the y coordinate
k is the vertical shift