1.
What is the polynomial function of least degree with integral coefficients that has zeros 2 and 3
i
?
A.
y
=
x
2
- 5
x
- 6
B.
y
=
x
3
- 2
x
2
- 9
x
+ 18
C.
y
=
x
3
- 2
x
2
+ 9
x
- 18
D.
y
=
x
2
+
x
- 6
Hint
2.
Which is an equation of the circle with center at
P
(-2, 5) and radius 2?
A.
(
x
+ 2)
2
+ (
y
- 5)
2
= 4
B.
(
x
- 2)
2
+ (
y
+ 5)
2
= 2
C.
(
x
- 2)
2
+ (
y
+ 5)
2
= 4
D.
(
x
+ 2)
2
+ (
y
- 5)
2
= 2
Hint
3.
Find an equation of the circle that has a diameter with endpoints at
(6, 10) and (-2, 4).
A.
(
x
- 2)
2
+ (
y
- 7)
2
= 25
B.
(
x
- 4)
2
+ (
y
- 3)
2
= 53
C.
(
x
+ 2)
2
+ (
y
- 4)
2
= 100
D.
(
x
- 6)
2
+ (
y
- 10)
2
= 100
Hint
4.
Find an equation of the circle passing through
A
(2, 4),
B
(-2, 6), and
O
(0,0).
A.
(
x
- 2)
2
+ (
y
- 4)
2
= 20
B.
(
x
+ 1)
2
+ (
y
- 3)
2
= 10
C.
(
x
- 3)
2
+ (
y
+ 6)
2
= 32
D.
x
2
+
y
2
= 40
Hint
5.
Which is an equation of the circle with center at (11, -19) and diameter 12?
A.
(
x
+ 11)
2
+ (
y
- 19)
2
.= 144
B.
(
x
- 11)
2
+ (
y
+ 19)
2
= 144
C.
(
x
+ 11)
2
+ (
y
- 19)
2
= 36
D.
(
x
- 11)
2
+ (
y
+ 19)
2
= 36
Hint