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Chapter 9: Q. 9.28 TI (page 878)

Solve by completing the square :

y2+8y=11

Short Answer

Expert verified

The required value of x is-4+33,-4-33

Step by step solution

01

Given information

y2+8y=11

02

Calculation

y2+8y=11鈬�y2+8y+(12脳8)2=11鈬�y2+8y+16=11+16鈬�(y+4)2=27鈬�y+4=卤27鈬�y=-4卤33=-4+33,-4-33

The value of xis-4+33,-4-33

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