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Line 
j has an equation of 
y+6= 
6(x-1). Line 
k is perpendicular to line 
j and passes through 
(8,-4). What is the equation of line 
k ?
Write the equation in slope-intercept form. Write the numbers in the equation as simplified proper fractions, improper fractions, or integers.

Line j j has an equation of y+6= y+6= 6(x1) 6(x-1) . Line k k is perpendicular to line j j and passes through (8,4) (8,-4) . What is the equation of line k k ?\newlineWrite the equation in slope-intercept form. Write the numbers in the equation as simplified proper fractions, improper fractions, or integers.

Full solution

Q. Line j j has an equation of y+6= y+6= 6(x1) 6(x-1) . Line k k is perpendicular to line j j and passes through (8,4) (8,-4) . What is the equation of line k k ?\newlineWrite the equation in slope-intercept form. Write the numbers in the equation as simplified proper fractions, improper fractions, or integers.
  1. Find Slope of Line j: First, we need to find the slope of line j by putting its equation into slope-intercept form y=mx+by = mx + b.\newliney+6=6(x1)y + 6 = 6(x - 1)\newliney=6x66y = 6x - 6 - 6\newliney=6x12y = 6x - 12\newlineThe slope mm of line j is 66.
  2. Determine Slope of Line kk: Since line kk is perpendicular to line jj, its slope will be the negative reciprocal of the slope of line jj. The negative reciprocal of 66 is 16-\frac{1}{6}. So, the slope (m)(m) of line kk is 16.-\frac{1}{6}.
  3. Use Point-Slope Form: Now we have the slope of line kk and a point (8,4)(8, -4) through which it passes. We can use the point-slope form to find the equation of line kk. The point-slope form is yy1=m(xx1)y - y_1 = m(x - x_1), where mm is the slope and (x1,y1)(x_1, y_1) is the point.
  4. Convert to Slope-Intercept Form: Plugging the slope and the point into the point-slope form, we get:\newliney(4)=16(x8)y - (-4) = -\frac{1}{6}(x - 8)\newliney+4=16x+86y + 4 = -\frac{1}{6}x + \frac{8}{6}\newliney+4=16x+43y + 4 = -\frac{1}{6}x + \frac{4}{3}
  5. Convert to Slope-Intercept Form: Plugging the slope and the point into the point-slope form, we get:\newliney(4)=16(x8)y - (-4) = -\frac{1}{6}(x - 8)\newliney+4=16x+86y + 4 = -\frac{1}{6}x + \frac{8}{6}\newliney+4=16x+43y + 4 = -\frac{1}{6}x + \frac{4}{3}To get the equation into slope-intercept form, we need to isolate yy:\newliney=16x+434y = -\frac{1}{6}x + \frac{4}{3} - 4\newliney=16x+43123y = -\frac{1}{6}x + \frac{4}{3} - \frac{12}{3}\newliney=16x83y = -\frac{1}{6}x - \frac{8}{3}

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