Question 1079271
1. Use the point-slope form,
{{{y-(-1)=((5-(-1))/(-4-3))(x-3)}}}
{{{y+1=(6/(-7))(x-3)}}}
Convert to slope-intercept form.
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2. Use the point-slope form,
{{{y-3=((3-3)/(0-(-2)))(x+2)}}}
Convert to slope-intercept form. 
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3. {{{x^2-4x+y^2+6y+12=0}}}
{{{(x^2-4x+4)+(y^2+6y+9)+12=4+12}}}
{{{(x-2)^2+(y+3)^2=4}}}
(2,-3) and R=2.
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4. {{{(x-5)^2+(y-6)^2=18}}}