How is this done, i try but i dont understand it

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Which of the following points is collinear with (-2,1) and (0,3)

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?