Question

What is the equation, in slope-intercept form, of the line that passes through (0,6) and has a slope of 4?

A.y=4x-6
B.y=4x+6
C.y=6x-4
D.y=6x+4

Answer 1

$\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{6})~\hspace{10em} slope = m\implies 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-6=4(x-0) \\\\\\ y-6=4x\implies y=4x+6$

Answer 2

C. Y=6x-4 would be the answer

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