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SAT Math 1.3 Numbers and Operations. x and y must be which of the following?
Trigonometry in Action 547 Views
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Transcript
- 00:00
Thank you We sneak in and here's your shmoop du
- 00:05
jour which equation is expressed in the following graph and
- 00:09
here your options pause warning thing part Don't worry you're
- 00:13
not seeing things The coast line graph really is lined
- 00:17
up incorrectly with the x axis values but what does
Full Transcript
- 00:21
this mean Well the graph was shifted a bit to
- 00:24
the right or left which means that there is an
- 00:27
addition or subtraction to the x in the parentheses of
- 00:30
the co sign function which is expressed in options a
- 00:33
envy But now we have to just figure out if
- 00:36
it's plus two or minus two a plus two would
- 00:40
mean a shift to the left while a minus two
- 00:42
would mean a shift to the right If we were
- 00:44
to draw a normal co sign graph on the same
- 00:46
set of axes it would be a bit to the
- 00:48
right of the one shown The graph here was shifted
- 00:51
to the left yielding result of co sign of the
- 00:54
quantity x plus two This is represented in choice eh 00:00:58.13 --> [endTime] which turns out to be our answer
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SAT Math 1.3 Numbers and Operations. x and y must be which of the following?
