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Convert this quadratic function to vertex form. y=x^2+14x+48 Then determine the minimum value of the function. plz show all work
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Feb 19, 2019
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Convert this quadratic function to vertex form.
y=x^2+14x+48
Then determine the minimum value of the function.
plz show all work
Mathematics
high-school
Moesef
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Moesef
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y=x² +14x +48
y-48 = x² +14x
y-48+7² = x² +2*7*x +7²
y-48+49 = (x+7)²
y+1= (x+7)²
y=(x+7)² - 1
Vertex of the function is (-7,-1). Minimum value of this function is a vertex value , because parabola directed up.
Mehrdad Hedayati
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Feb 24, 2019
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Mehrdad Hedayati
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