Astudent factors 3x2 – 12 to the following.
3(x2 – 4)
which statement about 3(x2 – 4) is true?
the expression is equivalent, and it is completely factored.
the expression is equivalent, but it is not completely factored.
the expression is not equivalent, but it is completely factored.
the expression is not equivalent, and it is not completely factored.

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

4. find the geometric mean of 4 and 12. 24 8

Sketch one cycle if the cosine function y=2cos2theta