MAT150 Chapter 2 Exam Question s
an d an sw er s + r ation ales
(GUARANTEED SUCCESS)
Slope formula - answer (y2-y1/x2-x1)
Point-Slope Formula (equation of a non-vertical line) - answer y-y1=m(x-
x1)
Slope-Intercept Form (equation of a line) - answer y=mx+b
General Form (equation of a line) - answer Ax+By=C
Standard Form (equation of a circle) - answer (x-h)^2+(y-k)^2=r^2
General Form (equation of a circle) - answer x^2+y^2+ax+by+c=0
Slope comparisons - answer Parallel = same slope
Perpendicular = opposite reciprocal slopes
Radii of a circle - answer r=0 - point
r<0 - nonexistent circle
an d an sw er s + r ation ales
(GUARANTEED SUCCESS)
Slope formula - answer (y2-y1/x2-x1)
Point-Slope Formula (equation of a non-vertical line) - answer y-y1=m(x-
x1)
Slope-Intercept Form (equation of a line) - answer y=mx+b
General Form (equation of a line) - answer Ax+By=C
Standard Form (equation of a circle) - answer (x-h)^2+(y-k)^2=r^2
General Form (equation of a circle) - answer x^2+y^2+ax+by+c=0
Slope comparisons - answer Parallel = same slope
Perpendicular = opposite reciprocal slopes
Radii of a circle - answer r=0 - point
r<0 - nonexistent circle
