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jennyrlz
 one year ago
Hey i need some algebra help :)
jennyrlz
 one year ago
Hey i need some algebra help :)

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jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0so a friend of mine is asking for help but i don't really remember much of my algebra days :/

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1so, what's the question?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0ok so first he was asked to draw a flag one sec let me draw it

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433290028954:dw

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433290054568:dw

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0ok so lets get to the problem

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0he os asked to show these points in y=mx+b and in standard form

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0but if we already have all the x y's what do i do ; ;

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433290221695:dw

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1maybe he's supposed to write equations for those lines that make up the diagram?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0hmm how would i go about doing this? he isnt really that familiar with the material :/

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1Well, the vertical and horizontal lines are pretty easy. For example, the bottom line is a horizontal line that passes through (5,3) and (5,3). We know the slope is 0, so it is just \[y=k\] for some value of \(k\), right? Doesn't matter what value of \(x\), \(y\) is always 3 for that line.

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1Similarly, any vertical lines are just \[x=k\]for some value of \(k\), because all the \(x\) values are the same, and only the \(y\) value changes.

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.01. draw the flag out in graphing paper, graph must include coordinates and labled increments plot each point at the end of each line segment on the flag for each line creat a table with four points write an equation in slope intercept and standard and list the domain and range

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0those are the instructions

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1Now, the "slanted" lines are probably what the problem author is interested in...there we know two points the line passes through, and from that, we can determine the equation of the line.

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1okay, yeah, looks like what I guessed. Let's take that line from \((5,3)\) to \((0,0)\) as an example. The domain is going to be 5 to 0, inclusive; those are the values that \(x\) is allowed to take. \[5\le x\le 0\]is another way you could write that. The range is the range of values \(y\) can have over the domain. At the minimum, \(y=3\) and at the maximum, \(y = 0\), so we could write the range as \[3\le y \le 0\] Any question about that?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0let me show you what i just did

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0ahh dw:1433290930006:dw

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0and i still have trouble with domain and range

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1yes, put 4 points in that table, different values of x, all the same value of y, and you have your table. Now domain is the set of allowed values of x (the independent variable), and range is the set of resulting values of y (the dependent variable). For this line segment, how would you describe the allowed values of x?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0hmm you lost me xD. but the allowed values reffer to the x then wouldnt they be 5 to 5 because thisline goes from 5 to 5?

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1exactly. "domain" is just a fancy term to confuse you :)

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1isn't there only one possible y value for this line?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0i think i just made sense of it, the range would be 5 xD

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1no, the range is 3, isn't it? isn't y = 3 for all values of x for that line?

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0oh yea i was refering to his table xD

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0i made my own so i can help him xD

jennyrlz
 one year ago
Best ResponseYou've already chosen the best response.0Thank you SOOOOOOOOOO much.

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1glad I could help you help your friend :)

whpalmer4
 one year ago
Best ResponseYou've already chosen the best response.1I find that explaining something to someone else is a really good way to reinforce your own knowledge.
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