Alnita Holland
Math/116 Algebra 1A
Instructor: Gabriel Burns
December 1, 2011
Concept Check Week 4
Explain why the line x = 4 is a vertical line. The line x =4 is a vertical line, and since it has
no slope, or the slope is undefined, it is vertical becaus

Does pursuing a degree help you build on the competencies you need for your
future career? Is the academic work you do for your course assignments related to
those competencies?
There are many ways Microsoft Office, which include- Word, PowerPoint, and E

Percentile ranking = (number of values below given value / total number of values) x 100.
Quartiles refer to the percentiles if the data are divided into 4 groups. The four groups are the first,
second, third, and fourth quartiles. Because there are 100 p

Pure mathematics
Mathematics that studies entirely abstract
concepts.
Pure mathematics is "not necessarily
applied mathematics": it is possible to
study abstract entities and not be
concerned with how they manifest in the
real world.
Applied mathematics
A