<span>Simplify (3x22)*divided*6+[28-(4)^2]=
</span>the answer is A 23
Answer:
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Step-by-step explanation:
Answer:
On the image
Step-by-step explanation:
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The vertex is at (2, 5).
To find the vertex, we first find the axis of symmetry; this is given by
x = -b/2a
For our equation, b = -16 and a = 4:
x = -(-16)/2(4) = 16/8 = 2
We substitute this back into our equation:
y = 4(2)² - 16(2) + 21 = 4(4) - 32 + 21 = 5
Therefore the vertex is at (2, 5).
