Select the correct answer from each drop-down menu. the regular octagon abcdefgh rotates 135º clockwise about its center to form octagon a′b′c′d′e′f′g′h′. point a′ of the image coincides with point of the preimage. point b′ of the image coincides with point of the preimage. reset next

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6