The equation of line slope intercept form:
1. y = -4x+6.
2. y = 3x -1
3. y = (-x-2)/3
4. Inappropriate coordinates.
What is Straight Line?
A straight line is an infinite length line that does not have any curves on it. A straight line can be formed between two points also but both the ends extend to infinity.
1. Given; Slope (m) = -4 ; y-intercept (c) = 6
Slope intercept form of straight line:
y = mx + c
y = -4x + 6
2. Slope 3 ; passes through (2,5)
Equation of line;
(y - y₁) = m(x - x₁)
y - 5 = 3(x - 2)
y -5 = 3x - 6
y = 3x - 6 + 5
y = 3x -1
3. passing point (1,-1) , (-2,0)
(y - y₁) = (y₂-y₁)/(x₂-x₁) (x - x₁)
(y - (-1)) = (0-(-1))/(-2-1) (x - 1)
y + 1 = 1/(-3) (x-1)
-3(y+1) = x -1
-3y - 3 = x - 1
-3y = x - 1 + 3
-3y = x + 2
y = (-x-2)/3
4. Coordinates are inappropriate.
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