Question 816975
use the point-slope form:
point = (4, 9)
slope = 2
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to solve the linear equation, plug this:
4, 9, 2
into the "Point-Slope form: x1 y1 m" input box of this solver: 
https://sooeet.com/math/linear-equation-solver.php
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slope = 2
y-intercept = 1
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Answer:
the slope-intercept form:
y = 2x + 1
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graph:
{{{ graph( 300, 300, -2, 2, -2, 2, 2x + 1) }}}
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