The line equation for its slope and one point is:
y - y1 = m(x - x1)
m is the slope, x1, y1 are the point coordinates, so lets substitute:
y - 4 = (1/2)(x - 2)
y = <span>(1/2)x + 3</span>
Any multiple of (-2x+3y=18) would constitute an "other equation" forming a system with an infiinite number of solutions. The reason for that is that the two equations would be "dependent."
On the other hand, looking at the system
<span>-2x+ 3y= 18
</span><span>-2x+ 3y= 19
we see that there is no solution. Why? Because -2x + 3y cannot equal 18 and 19 at the same time. You'd have two non-intersecting, parallel lines.
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Answer:
x < -4
Step-by-step explanation:
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Answer:
Choice A:
Step-by-step explanation:
means we looking for first term 5 and the sequence is going up by 2.
In general,
means you have first term 
and the sequence has a common difference of d.
So it is between the first two choices.
The explicit form of an arithmetic sequence is:
An equivalent recursive form is 
So d again here is 2.
So choice a is correct.
