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What is the slope and y-intercept of the graph of 2x plus y equals 9?
Wiki User
∙ 14y ago
2x + y = 9
y intercept is at x = 0 is 9 point (0,9)
x intercept is at y = 0 is 4.5 point (4.5,0)
slope = (9 -0)/(0-4.5) = -2
or another solution option:
2x + y = 9
or y = -2x + 9 compared with y = mx + a and m is the slope and a the y-intercept
so, m = -2 and y = 9
Wiki User
∙ 14y ago
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