Find the difference between two points (-3,6), (5,-9)

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4