How to the solve the equation by completing the square?

Adding and subtracting matricesfind the value of each variable. x = and y = would

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities