If two opposite sides of a quadrilateral are perpendiculat and congruent, then the quadrilateral is a parallelogram.
OA. True
OB. False

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Use the graph of the sine function y=2sinθ shown below

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.