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OpenStudy (anonymous):
Choose the equation of the line passing through the point (-4, -2) and perpendicular to y = -x + 6.
y = -x + 6
y = x - 6
y = -x - 2
y = x + 2
OpenStudy (anonymous):
a?
OpenStudy (sleepyjess):
I know that TSO went over this in one of the previous questions. We need the opposite slope. If we have -x at the beginning, the slope is -1 which will make the line parallel to the original line.
OpenStudy (anonymous):
ok @sleepyjess
OpenStudy (sleepyjess):
So instead we need x
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OpenStudy (anonymous):
ok
OpenStudy (sleepyjess):
Then, we need to figure out the next points from the given points and slope. To do that, we add 1 to each x and y value until x = 0
OpenStudy (sleepyjess):
So we start with (-4, -2), add 1 to each coordinate, we get (-3, -1).
OpenStudy (anonymous):
ok @sleepyjess, one question a was wrong xd
OpenStudy (sleepyjess):
huh?
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OpenStudy (sleepyjess):
So what is the correct answer for this one with the information I have given?
OpenStudy (anonymous):
c?
OpenStudy (sleepyjess):
C still has -x
OpenStudy (sleepyjess):
We need x
OpenStudy (anonymous):
either b or d then @sleepyjess
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OpenStudy (sleepyjess):
Yes, and what is the y-intercept from adding 1 until x = 0?
OpenStudy (anonymous):
d? then
OpenStudy (anonymous):
@sleepyjess
OpenStudy (sleepyjess):
YEP
OpenStudy (anonymous):
The first five terms of a sequence are shown below:
4, 7, 10, 13, 16
If the nth term of this sequence is represented by f(n), which of the following functions best represents this sequence?
f(n) = 3n - 1; n ≥ 1
f(n) = 3n + 1; n ≥ 1
f(n) = 4n - 1; n ≥ 1
f(n) = 4n + 1; n ≥ 1
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OpenStudy (anonymous):
b?
OpenStudy (sleepyjess):
Yes
OpenStudy (anonymous):
If f(x) = 2x2 + 2, find f(5).
102
52
22
-1.5
OpenStudy (anonymous):
b?
OpenStudy (sleepyjess):
2(5)^2 + 2
10^2 + 2
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