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What is the y−coordinate of the y−intercept of the line that passes through the points (−4, −4) and (4, 8)?
 one year ago
 one year ago
What is the y−coordinate of the y−intercept of the line that passes through the points (−4, −4) and (4, 8)?
 one year ago
 one year ago

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rajfk35Best ResponseYou've already chosen the best response.0
what are you talking about?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Firstly find the slope: \[Slope = \frac{y_2  y_1}{x_2  x_1} \implies \frac{12}{8} = \frac{3}{2}\] Let y = mx + c Put any of the point in this to find c: Put y = 4 and x = 4 So: \[4 = \frac{3}{2}(4) + c \implies c = 4 + 6 \implies \color{green}{c = 2}\] So this is the y coordinate of y intercept..
 one year ago
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