Mathematics, 29.07.2019 08:00, Itskiyya
Work out the equation of the line which has a gradient of 3 and passes through the point (-1,3)
Answers: 1
![\bf \begin{array}{ccccccccc} &&x_1&&y_1\\ &&(~ -1 &,& 3~) \end{array} \\\\\\ % slope = m slope = m\implies 3 \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-3=3[x-(-1)] \\\\\\ y-3=3(x+1)\implies y-3=3x+3\implies y=3x+6](/tpl/images/0145/9433/d0f36.png)
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Work out the equation of the line which has a gradient of 3 and passes through the point (-1,3)...
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