The sum of a number, 1/6 of that number, 2/1/2 of that number, and 7 is 12/1/2. Find that number
1 answer:
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Answer:
x = 2
Step-by-step explanation:
For quadratic ax^2 +bx +c, the axis of symmetry is x = -b/(2a).
Here, we have a=2, b=-8, so the axis of symmetry is ...
x = -b/(2a) = -(-8)/(2(2)) = 8/4
x = 2
