## Question

###### 9. [-18 Points] DETAILS WANEFMAC7 5.1.038.NVA 0/20 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER...

9. [-18 Points] DETAILS WANEFMAC7 5.1.038.NVA 0/20 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose the following table shows median home prices, in thousands of dollars, in four regions of a country in May 2013, as well as the year-over-year changes in 2014 and 2015. Northeast Midwest South West May 2013 275 167 180 275 Change in 2014 -13 6 18 Change in 2015 12 16 15 30 Use matrix algebra to find the median home price, in thousands of dollars, in each region in May 2014 and 2015. HINT (See Example 2.) Northeast Midwest South West May 2014 0 May 2015

## Answers

solution, May 2013 2 Matrix for median home price in December is P=[275 167 180 275 Matsire for change in 2014 Mi =[-13 [-13 6 0 18) 2015 Matrix for change in M2 [ 12 16 15 30] *50 median price of home in 2014 is sum of price in 2013 and Change in 2014 0 112 May 2014=p+My (275 167 180 275) + [-13 6 = {275-13 167 +6 + 180 +0 275+18] [262 173 293] price of home in 2015 is price in 2014 and change in 2015 May 2015 = gout ND = 262 173 180 293]+[12 16 15 30] (274 189 195 323] median sum of

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