Question

I tried to answer this question but it's wrong. i tried to switch the numbers and put -0.41,1.35 but it didin't work.

I also put (4+sqrt(61))/(9), (4-sqrt(61))/(9). and it's also wrong.

Set5Quadratic Functions: Problem 1 Problem List Next Previous Results for this submission Answer Preview Result Entered 1.35, -0.41 1.35, -0.41 incorrect he answer above is NOT correct. (1 point) List all real values of z such that f(z) 0. If there are no such real z, type none in the answer blank. If there is more that one real z, give a comma separated list (i.e.: 1,2) f(r) 18a 17a 10 1.35,-0.4

Show transcribed image text Set5Quadratic Functions: Problem 1 Problem List Next Previous Results for this submission Answer Preview Result Entered 1.35, -0.41 1.35, -0.41 incorrect he answer above is NOT correct. (1 point) List all real values of z such that f(z) 0. If there are no such real z, type none in the answer blank. If there is more that one real z, give a comma separated list (i.e.: 1,2) f(r) 18a 17a 10 1.35,-0.4