Mathematics, 29.07.2019 03:50 Jeamileth
How do i write the slope-intercept form of: through: (-4,-2), perpendicular to y=7x+4
Answers: 1
![\bf \begin{array}{ccccccccc} &&x_1&&y_1\\ % (a,b) &&(~{{ -4}} &,&{{ -2}}~) \end{array} \\\\\\ % slope = m slope = {{ m}}\implies -\cfrac{1}{7} \\\\\\ % point-slope intercept \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-2)=-\cfrac{1}{7}[x-(-4)] \\\\\\ y+2=-\cfrac{1}{7}(x+4)\implies y+2=-\cfrac{1}{7}x-\cfrac{4}{7} \\\\\\ y=-\cfrac{1}{7}x-\cfrac{4}{7}-2\implies y=-\cfrac{1}{7}x-\cfrac{18}{7}](/tpl/images/0145/2788/e6bf4.png)
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How do i write the slope-intercept form of: through: (-4,-2), perpendicular to y=7x+4...
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