For Exercise 41-54, write the equation in the form x − h 2 + y − k 2 = c . Then if the equation represents a circle, identify the center and radius. If the equation represents a degenerate case, give the solution set. (See Examples 3-4) x 2 + y 2 − 20 y − 4 = 0
For Exercise 41-54, write the equation in the form x − h 2 + y − k 2 = c . Then if the equation represents a circle, identify the center and radius. If the equation represents a degenerate case, give the solution set. (See Examples 3-4) x 2 + y 2 − 20 y − 4 = 0
Solution Summary: The author explains how the given equation, x2+y 2-20y-4=0, can be rewritten by grouping the x and y -terms
For Exercise 41-54, write the equation in the form
x
−
h
2
+
y
−
k
2
=
c
.
Then if the equation represents a circle, identify the center and radius. If the equation represents a degenerate case, give the solution set. (See Examples 3-4)
Find the equation of the line through point (−6,−1) and perpendicular to the line y=−2/9x−6, in standard form Ax+By=C.Hint: try writing the equation in another form first, then put your equation in the form Ax+By=C
Write the solution set of the equation x2 + x – 2 = 0 in roster form.
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