Seudónimo Seudónimo 03-04-2017 Mathematics contestada Select the correct properties of slope below. select all that apply I WILL GIVE BRAINLYEST IF YOU GET IT RIGHT 30 POINTS!!! A.The slope of a flat line should be close to 0. B.The slope of a flat line is undefined. C. A negative slope means that the line moves up from left to right. D.The slope of a flat line is smaller than the slope of a steep line. E.A negative slope means that the line moves down from left to right.