Write the equation in slope-intercept form of the line that has a slope of 2 and contains the point (4, 2).

Question

anonymous · Answer

I wonder whether you're more upset that she's not doing work or that she's not giving medals... ;p

amistre64 · Answer

lol ..... medals are a dime a dozen, but there are others that answer her as well with no 'rewards'.  the thing im upset about is her demeanor when asked to work thru the problem.

amistre64 · Answer

the "shutup and answer it" mentality is a bit annoying.

anonymous · Answer

yes, I agree. I wish I had an ignore feature so I could choose to not be distracted by such people who aren't really interested in learning.

amistre64 · Answer

:)  delaine thnx for the medal :)

now, to answer the problem....

we just have to apply the information given into the formula for the line...

anonymous · Answer

thank you !

anonymous · Answer

Do you know the equation for the point slope formula?

amistre64 · Answer

y = mx+b is the slope -intercept form; and given the slope and a point we can just determine its equations by this:

$$y = m(x-x_o)+y_o$$

y = 2(x-4)+2
y = 2x -8+2

y = 2x -6

anonymous · Answer

y=mx+b right?

anonymous · Answer

no that's slope intercept.

anonymous · Answer

ist that what you adked?

anonymous · Answer

point-slope is:
$$y - y_1 = m(x - x_1)$$

Where $x_1,y_1$ are the x,y values of a point on the line, and m is the slope.

anonymous · Answer

*asked

anonymous · Answer

So in your case you have (4,2) is the point and 2 is the slope, so:

y - 2 = 2(x - 4)

Then solve for y (and simplify) and you should have slope intercept.

amistre64 · Answer

the use of $y_1$ and $x_1$ are common, but not crucial 'forms'; i used $y_o$ and $x_0$ to name mine.