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Line 
v has an equation of 
y=-5x+6. Line 
w includes the point 
(-1,-2) and is perpendicular to line 
v. What is the equation of line 
w ?

Line v v has an equation of y=5x+6 y=-5 x+6 . Line w w includes the point (1,2) (-1,-2) and is perpendicular to line v v . What is the equation of line w w ?

Full solution

Q. Line v v has an equation of y=5x+6 y=-5 x+6 . Line w w includes the point (1,2) (-1,-2) and is perpendicular to line v v . What is the equation of line w w ?
  1. Determine slope of line vv: Determine the slope of line vv. The equation of line vv is given by y=5x+6y = -5x + 6. The slope (mm) of a line in the slope-intercept form y=mx+by = mx + b is the coefficient of xx. Therefore, the slope of line vv is 5-5.
  2. Find slope of line ww: Find the slope of line ww. Since line ww is perpendicular to line vv, its slope will be the negative reciprocal of the slope of line vv. The negative reciprocal of 5-5 is 15\frac{1}{5}. Therefore, the slope of line ww is 15\frac{1}{5}.
  3. Use point-slope form: Use the point-slope form to find the equation of line ww. The point-slope form of a line is given by (yy1)=m(xx1)(y - y_1) = m(x - x_1), where mm is the slope and (x1,y1)(x_1, y_1) is a point on the line. We have the slope of line ww as 15\frac{1}{5} and the point (1,2)(-1, -2). Plugging these values into the point-slope form gives us: (y(2))=15(x(1))(y - (-2)) = \frac{1}{5}(x - (-1))
  4. Simplify equation to slope-intercept form: Simplify the equation from the point-slope form to the slope-intercept form.\newlineSimplifying the equation from the previous step, we get:\newliney+2=15(x+1)y + 2 = \frac{1}{5}(x + 1)\newliney+2=15x+15y + 2 = \frac{1}{5}x + \frac{1}{5}\newlineSubtracting 22 from both sides to solve for y, we get:\newliney=15x+15105y = \frac{1}{5}x + \frac{1}{5} - \frac{10}{5}\newliney=15x95y = \frac{1}{5}x - \frac{9}{5}

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