Since we know that 2/8 equals 1/4, we can simply use that unit rate to calculate that 6/8 = 3/4.
Y = -2x² + 8x - 18
x = -b/2a
x = -8/2(-2)
x = -8/-4
x = 2
y = -2x² + 8x - 18
y = -2(2)² + 8(2) - 18
y = -2(4) + 16 - 18
y = -8 - 2
y = -10
(x, y) = (2, -10)
Vertex: (2, -10)
Axis of Symmetry: x = 2
Answer:
9
Step-by-step explanation:
The answer is 20/3pi (I cant find the pi sign) or u can also say 6 2/3pi
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