Determine whether the set, together with the standard operations. is a vector space. If it is not. Identity at least one of the ten vector space axioms that fails. The set of all quadratic functions whose graphs pass through the origin. The set {(x, 1/2 x): x is a real number} The set of all 2 x 2 matrices of the form [a c b 0] The set of all 2 X 2 matrices of the form [a c b 1] The set of all 4 x 4 matrices of the form [0 a a a a 0 b b b b 0 c c c c 0] The set of all 3 X 3 upper triangular matrices. C[-1, 1]. The set of all continuous functions defined on the interval [-1, 1].

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

it is x equals 3   plese mark me really need it

step-by-step explanation:

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

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