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Using the graph, which of these ordered pairs is the best estimate of the solution of the system y = 3x + 2 and y = 1/4 x + 1?
 2 years ago
 2 years ago
Using the graph, which of these ordered pairs is the best estimate of the solution of the system y = 3x + 2 and y = 1/4 x + 1?
 2 years ago
 2 years ago

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alainabbyboo22Best ResponseYou've already chosen the best response.1
A. (0.5, 0.5) B. (0.3, 1.1) C. (1.2, 0.8) D. (0.8, 0.5)
 2 years ago

dumbcowBest ResponseYou've already chosen the best response.0
set the 2 equations equal and solve for x 3x+2 = 1/4x +1
 2 years ago

alainabbyboo22Best ResponseYou've already chosen the best response.1
So basically just put the numbers in for x, and whichever equation equals the same for both, is my answer?
 2 years ago

dumbcowBest ResponseYou've already chosen the best response.0
yeah you could do that too :)
 2 years ago

alainabbyboo22Best ResponseYou've already chosen the best response.1
I tried plugging in all the numbers for x and none of them equal the same.. or am I doing the wrong thing for this problem? I don't get it.
 2 years ago

dumbcowBest ResponseYou've already chosen the best response.0
Try plugging in x = 0.3 again 3(.3) +2 = ? 1/4(.3) +1 = ?
 2 years ago

dumbcowBest ResponseYou've already chosen the best response.0
there is some rounding error
 2 years ago

alainabbyboo22Best ResponseYou've already chosen the best response.1
3(.3)+2 = 1.7 1/4(.3)+1 = 0.7
 2 years ago

alainabbyboo22Best ResponseYou've already chosen the best response.1
Okay but my answer choices available are: A. (0.5, 0.5) B. (0.3, 1.1) C. (1.2, 0.8) D. (0.8, 0.5)
 2 years ago

hoblosBest ResponseYou've already chosen the best response.1
you must solve it graphically so you only need to find the point of intersection between the two lines y = 3x + 2 & y = 1/4 x + 1 from the graph then the solution is (0.3, 1.1)
 2 years ago

alainabbyboo22Best ResponseYou've already chosen the best response.1
Oh!!!!! Well that would've helped me a long time ago. Lol thank you so much hoblos! :) It means a lot! :)
 2 years ago
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