Answer:
2x^2-18x
Step-by-step explanation:
We can start by figuring out the axis of symmetry.
y = x² + 12x = x (x + 12)
So roots are x = -12 or 0
Therefore axis of symmetry is x = (-12 + 0) / 2 = -6
We got x-coordinate of vertex. Now plug in x=-6 to solve for y.
y = (-6)² + 12(-6) = 36 - 72 = -36
Therefore vertex is (-6, -36).
Answer:
the answer and explanation of the question is in the picture
Step-by-step explanation:
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It's very simple just divide 21.75 by five and that's your answer did you want me to do it?
Answer:
456 students
Step-by-step explanation:
38% = 0.38
1200 x 0.38 = 456