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Y = x² + 7x - 5 Can be written in the form y = ( x + a )² + b. Find the value of a and the value of b. ​

Y = x² + 7x - 5 Can be written in the form y = ( x + a )² + b. Find the value of a and the value of b. ​
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Y = x² + 7x - 5 Can be written in the form y = ( x + a )² + b. Find the value of a and the value of b.

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User Yashatreya
by
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1 Answer

3 votes

Answer:


a=(7)/(2) \\\\b=(49)/(4) \\

Explanation:


y=x^2+7x-5\\\\=x^2+2*(7)/(2)*x +(49)/(4) -(49)/(4) -(20)/(4) \\\\=(x+(7)/(2) )^2+(69)/(4) \\\\a=(7)/(2) \\\\b=(49)/(4) \\

User Hal Jarrett
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