What is the answer to this. asap.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Solve the equation by completing the square. x^2+2x=17