Write y=3x^2-12x+11 in vertex form.
1 answer:
Answer:
y = 3(x – 2)² – 1
Step-by-step explanation:
Standard form: y = 3x² – 12x + 11
To convert to vertex form:
y = 3x² – 12x + 11
y = 3(x² – 4x) + 11
y = 3(x² – 4x + 4) + 11 – 12
y = 3(x – 2)² + 11 – 12
y = 3(x – 2)² – 1
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