what are all of the real roots of the following polynomial?
f(x)= x^5 + 5x^4-5x^3 -25x^2+ 4x+20

What is a graph with a never ending line called?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.