Which of the following are the coordinates of the vertex y = x^2 + 12x - 9?
Answer:
y=x2+12x−9
y=x2+12x+36−36−9
y=(x+6)2−45
y+45=(x+6)2
Hence vertex is (−6,−45).
Which of the following are the coordinates of the vertex y = x^2 + 12x - 9?
Answer:
y=x2+12x−9
y=x2+12x+36−36−9
y=(x+6)2−45
y+45=(x+6)2
Hence vertex is (−6,−45).