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What is the equation of the line passing through the points 2 3 and 4 -1?
Wiki User
∙ 9y ago
The equation of a line with gradient m passing through point (xo, yo) is given by:
y - yo = m(x - xo)
The gradient m is calculated:
m = change_in_y/change_in_x
= y1-y0/x1-x0
→ line through points po (2, 3) and p1 (4, -1) has equation:
y - 3 = (-1 - 3)/(4 - 2) (x - 2)
→ y - 3 = -4/2 (x - 2)
→ y - 3 = -2(x - 2)
→ y - 3 = -2x + 4
→ y + 2x = 7
Wiki User
∙ 9y ago
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