Question

Write an equation in point slope form of the line through point j(4 1) with slope -4... Can someone help me??? I stink at Geometry...

Answer 1

do you know the slope and y -intercept form equation

Answer 2

\(\bf \begin{array}{lllll}
&x_1&y_1\\
&({\color{red}{ 4}}\quad ,&{\color{blue}{ 1}})\quad
\end{array}
\\\quad \\

slope = {\color{green}{ m}}= -4
\\ \quad \\

y-{\color{blue}{ y_1}}={\color{green}{ m}}(x-{\color{red}{ x_1}})\qquad \textit{plug in the values}\\
\qquad \uparrow\\
\textit{point-slope form}\)

Answer 3

http://www.purplemath.com/modules/strtlneq2.htm

Answer 4

plug that value into the equation and solve for b