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Chapter 9: Q 39. (page 869)

Solve quadratic equationm2-4m+4=8 using square root property

Short Answer

Expert verified

The values of mare 2+22and 2-22

Step by step solution

01

Step 1. Given information  

The quadratic equationm2-4m+4=8

02

Step 2. Factor the perfect square trinomial 

鈬�m-22=8

03

Step 3. Use square root property 

鈬�m-2=卤22

鈬�m=2卤22

鈬�m=2+22andm=2-22

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