Keyword Analysis & Research: which of the following lines has slope zero

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
which of the following lines has slope zero	0.29	0.5	442	2	43
which	0.59	0.7	2007	81	5
of	0.66	0.5	1658	18	2
the	0.99	0.9	2050	41	3
following	0.12	0.7	19	85	9
lines	0.11	0.1	7871	11	5
has	0.21	0.4	4739	65	3
slope	0.59	0.8	6485	57	5
zero	0.4	0.9	6990	47	4

Keyword	CPC	PCC	Volume	Score
which of the following lines has slope zero	1.2	0.8	30	24
which lines have a slope of zero	0.44	0.7	2187	55
the slope of the line is zero	1.02	1	1874	46
which line has a slope of 0	0.65	0.3	8587	97
slope 0 indicates that a line is	1.43	0.1	3680	41
lines that have a slope of zero	1.57	0.9	8560	43
lines with zero slope	0.9	0.9	4416	64
do vertical lines have a slope of zero	1.4	0.6	329	24
vertical lines always have a zero slope	0.74	0.9	5025	66
do vertical lines always have a zero slope	0.78	0.2	9304	24