Let v1 = (-4 -1 -2) v2 = (-3 1 -2), v3 = (1 -5 2), and H = Span (v1, v2, v3). Note that v3 = 2v1 - 3v2. Which of the following sets form a basis for the sub-space H, i. e., which sets form an efficient spanning set containing no unnecessary vectors?
a. v1,v2, v3.
b. v1, v2.
c. v1, v3.
d. v2, v3.

Find the roots of the equation below. x^2 - 6 + 9 = 0

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list