Practice problem
Which of the following is the vertex of the parabola given by y=x2+6x−4y = x^2+6x-4y=x2+6x−4?
(3,−13)(3,-13)(3,−13)
(−3,−13)(-3,-13)(−3,−13)
(3,−5)(3,-5)(3,−5)
(−3,−5)(-3,-5)(−3,−5)
Type a concept, like “slope” or “photosynthesis”.