alamsamir8177 alamsamir8177
  • 15-03-2024
  • Mathematics
contestada

the point (-1,3) is the turning point of the graph with the equation y=x^2+ax+b, where a and b are integers. find the values of a and b

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nikvist
nikvist nikvist
  • 15-03-2024

Answer:

Step-by-step explanation:

[tex]y=x^2+ax+b=x^2+ax+\frac{a^2}{4}-\frac{a^2}{4}+b=\left(x+\frac{a}{2}\right)^2-\frac{a^2}{4}+b\\-1+\frac{a}{2}=0,\quad -\frac{a^2}{4}+b=3\\a=2,\quad b=3+\frac{2^2}{4}=4[/tex]

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