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OpenStudy (anonymous):
OpenStudy (anonymous):
SIMPLE?
OpenStudy (anonymous):
I am sorry m8 Can't help
OpenStudy (saiyan):
im only in Algebra 2
OpenStudy (anonymous):
SOMEONE?
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OpenStudy (freckles):
Not sure which one you need help with.
OpenStudy (freckles):
part a)
just look for graph that matches y=5 sin(x+pi)
let's try to draw a graph here.
the amp=5
the period=2pi
the phase shift is -pi
can you graph y=5sin(x+pi)?
OpenStudy (anonymous):
1st questions answer looks like option A
OpenStudy (anonymous):
@freckles so the answer to prt a of the question is answer choice "A"
OpenStudy (freckles):
yes that looks good you can also plug in numbers like 0 and -pi/2 and -pi and so on
to help you pick out the right one
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OpenStudy (freckles):
what are the x-intercepts of y=5sin(x+pi) in that graph
OpenStudy (anonymous):
so part a is "A"
OpenStudy (anonymous):
I dont know what the x intercepts are
OpenStudy (freckles):
do you know hot solve sin(x+pi)=0?
OpenStudy (anonymous):
yes
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OpenStudy (freckles):
that will give you the x-intercepts if it isn't clear from the graph A
OpenStudy (anonymous):
so that is answer choice C
OpenStudy (freckles):
|dw:1438062133167:dw|
hmmm...
you should know that sin(2pi+pi)=0
and sin(pi+pi)=0
and sin(0+pi)=0
and sin(-pi+pi)=0
and sin(-2pi+pi)=0
and sin(-3pi+pi)=0