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Chapter 9: Q. 44. (page 869)

Solve quadratic equation9y2+12y+4=9 using square root property

Short Answer

Expert verified

The values ofyarelocalid="1645451343622" 13andlocalid="1645451351981" -53

Step by step solution

01

Step 1. Given information  

The quadratic equation9y2+12y+4=9

02

Step 2. Factor the perfect square trinomial  

⇒3y+22=9

03

Step 3. Use square root property  

⇒3y+2=±3

⇒3y=±3-2

⇒y=13andy=-53

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