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anonymous
 one year ago
Choose the equation below that represents the line passing through the point (2, 5) with a slope of 3.
y = 3x  13
y = 3x + 11
y = 3x + 13
y = 3x + 1
anonymous
 one year ago
Choose the equation below that represents the line passing through the point (2, 5) with a slope of 3. y = 3x  13 y = 3x + 11 y = 3x + 13 y = 3x + 1

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jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2The general slope intercept form is y = mx+b the m is the slope (think "m" for mountain, mountains have slopes) since the slope is 3, we know that m = 3 so the equation is in the form y = 3x + b

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2the line passes through (2,5) (x,y) = (2,5) x = 2 y = 5 y = 3x + b y = 3*2 + b ... replace x with 2 y = 6 + b 5 = 6 + b ... replace y with 5 now solve for b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now how would I do that, I don't quite get how to solve for b.

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2think of 6+b as b6

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.25 = b6 try to move that 6 over to isolate b

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0have b by itself.. what do you need to do to make this happen?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0subtract 6 from the sides?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2oh nvm, I was thinking of something else yeah you are correct

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2subtracting 6 from both sides is the same as adding 6 to both sides

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2dw:1434337014605:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2dw:1434337031428:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2dw:1434337050301:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Now what? @jim_thompson5910

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2now evaluate the left side in the drawing below dw:1434337318985:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2dw:1434337345417:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2m = 3 was the given slope b = 1 is the yintercept we just found out

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2you would plug those into y = mx+b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so it would be y = 3x + 1 ?
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