State the coordinates of the key feature of the parabola that you can obtain from the equation ( the y-intercept , the vertex or the c- intercept (s))

Answer:
y= -4x+13
Step-by-step explanation:
y = -4x+10 + 3
-4x+10 because of the square and it was originally y= -2x^2+5^2+3
y= -4x+13