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Mathematics 16 Online
OpenStudy (anonymous):

@Leader

OpenStudy (anonymous):

Choose the equation of the line passing through the point (-4, -2) and parallel to y = 1 fourthx + 2. y = 4x - 1 y = 4x - 3 y = 1 fourthx - 3 y = 1 fourthx - 1

OpenStudy (anonymous):

d?

OpenStudy (anonymous):

or a right, i believe it is a actually

OpenStudy (leader):

So your final choice is A?

OpenStudy (anonymous):

yes.

OpenStudy (leader):

Remeber it says \(\sf Parallel\) not \(\sf Perpendicular\)

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

@Leader

OpenStudy (leader):

So parallel lines have the same slope as the original question. So A is incorrect because it doesn't have the same slope.

OpenStudy (anonymous):

oh ok :(

OpenStudy (anonymous):

then it would be d

OpenStudy (leader):

Yes D is correct :) Because it has the same slope and when you plug in -4 into it, you get -2 out :D

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

OpenStudy (anonymous):

b?

OpenStudy (anonymous):

n>with a line underneath it 1 for all of them :D

OpenStudy (leader):

One sec. Got to refresh. Question marks appearing :P

OpenStudy (anonymous):

:P

OpenStudy (leader):

Yes, B is correct :D

OpenStudy (anonymous):

A tank had 6 liters of water. The tank had a small hole in its base through which water leaked out at a constant rate. The tank was empty after 4 minutes. If y represents the number of liters of water in the tank and x represents the time in minutes, which graph best represents this situation? graph of line going through ordered pairs 0, 6 and 4, 0 graph of line going through ordered pairs 0, 4 and 6, 0 graph of line going through ordered pairs 0, negative 6 and 4, 0 graph of line going through ordered pairs negative 6, 0 and 0, 4

OpenStudy (anonymous):

b? @Leader

OpenStudy (leader):

So i assume that they labelled x as minutes and y as liters

OpenStudy (anonymous):

yes

OpenStudy (leader):

So in that case, B would be wrong. Our first point would have to be (0,6) and then 4 minutes later it became 0. So x was minutes so (4, y) and since y is liters and it became 0 , the second point would be (4,0)

OpenStudy (anonymous):

i am still not understanding which one then @Leader

OpenStudy (leader):

One point would be (0,6) and the other (4,0) And now make a line through it :)

OpenStudy (anonymous):

c? @Leader

OpenStudy (leader):

Remember since the numbers of liter is going down, the line will have to have a negative slope. And it is (0, +6) not -6 :P

OpenStudy (anonymous):

a? @Leader

OpenStudy (leader):

yes, it is A :)

OpenStudy (anonymous):

Choose the equation below that represents the line passing through the point (-2, -3) with a slope of -6. y + 3 = -6(x + 2) y + 2 = 6(x + 3) y - 3 = -6(x - 2) y - 2 = 6(x - 3)

OpenStudy (anonymous):

a? @Leader

OpenStudy (leader):

Yes it is A. Right @sleepyjess

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