The problem asks us to find the equation of the line passing through the points $(-1, 4)$ and $(5, -3)$.

AlgebraLinear EquationsSlope-intercept formPoint-slope formCoordinate Geometry
2025/5/9

1. Problem Description

The problem asks us to find the equation of the line passing through the points (1,4)(-1, 4) and (5,3)(5, -3).

2. Solution Steps

First, we need to find the slope mm of the line.
The slope formula is given by:
m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1}
Here, (x1,y1)=(1,4)(x_1, y_1) = (-1, 4) and (x2,y2)=(5,3)(x_2, y_2) = (5, -3).
Plugging in the values, we get:
m=345(1)=76m = \frac{-3 - 4}{5 - (-1)} = \frac{-7}{6}
Next, we use the point-slope form of a linear equation, which is:
yy1=m(xx1)y - y_1 = m(x - x_1)
Using the point (1,4)(-1, 4) and the slope m=76m = -\frac{7}{6}, we have:
y4=76(x(1))y - 4 = -\frac{7}{6}(x - (-1))
y4=76(x+1)y - 4 = -\frac{7}{6}(x + 1)
Now, we convert this to slope-intercept form (y=mx+by = mx + b):
y4=76x76y - 4 = -\frac{7}{6}x - \frac{7}{6}
y=76x76+4y = -\frac{7}{6}x - \frac{7}{6} + 4
To add the numbers, we need a common denominator: 4=2464 = \frac{24}{6}
y=76x76+246y = -\frac{7}{6}x - \frac{7}{6} + \frac{24}{6}
y=76x+176y = -\frac{7}{6}x + \frac{17}{6}
The equation of the line is y=76x+176y = -\frac{7}{6}x + \frac{17}{6}.
We can also express the equation in the standard form Ax+By=CAx + By = C.
Multiply by 6 to eliminate the fractions:
6y=7x+176y = -7x + 17
Rearrange the equation:
7x+6y=177x + 6y = 17

3. Final Answer

The equation of the line is y=76x+176y = -\frac{7}{6}x + \frac{17}{6} or 7x+6y=177x + 6y = 17.

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