Over the course of a year, a classroom went from 15 students to 19 students.
2 answers:
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Answer:
(-2,5) is vertex ; y-intercept (0,5) but the y-intercept is actually (0,-7).
Step-by-step explanation:
The vertex form of a quadratic is where the vertex is (h,k). Here h=-2 and k=5. So the vertex is (-2,5).