My math is very rusty, admittedly, so perhaps I shouldn't pick back up the keyboard to help, but I still will regardless. If I recall, this is going to be a point-slope formula problem, followed by a slope-intercept formula problem.
Point slope formula: \(y − y_{1} = m(x − x_{1})\)
Substitute the values accordingly: Treat \((3, 17)\) as \(y\) and \((6, 32)\) as \(y_{1}\).
Post-substitution: \(17 - 32 = m(3 - 6)\)
From there, simplify as needed.
Step 1: \(17 - 32 = m(3 - 6)\)
Step 2: \(-15 = m(-3)\)
Step 3: \(\frac{-15}{-3} = \frac{m(-3)}{-3}\)
Step 4: \(5 = m\)
From there, take either point and, knowing the value of \(y\), \(m\), and \(x\), plug in those numbers to the slope intercept formula to find \(b\) and make sure they match.
Slope intercept formula: \(y=mx+b\)
Substitutions: \(17=5(3)+b\) and \(32=5(6)+b\)
Calculations 1: \(17=15+b\) and \(32=30+b\)
Calculations 2: \((17-15)=(15-15)+b\) and \((32-30)=(30-30)+b\)
Solution(s): \(2=b\) for both equations.
The likely solution is that your answer wants to be done up in slope-intercept form, in which case you would plug in your values for \(m\) and \(b\), which would yield a final answer of \(y=5x+2\). Hope this helped with understanding how you reached such an answer!
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