Algebra 2 Semester 2 Practice Final Summer 13

ID: A
49. ANS:
The graph is an ellipse. The center is at the origin. It has two lines of
symmetry, the x-axis and the y-axis.
REF: 10-1 Exploring Conic Sections
TOP: 10-1 Example 2
50. ANS:
5.4739
OBJ: 10-1.1 Graphing Equations of Conic Sections
KEY: conic sections | graphing | ellipse | domain | range
REF: 8-2 Properties of Exponential Functions
OBJ: 8-2.2 The Number e
TOP: 8-2 Example 4
KEY: exponential function | graphing | the number e
51. ANS:
p − 8; p ≠ −4
REF: 9-4 Rational Expressions OBJ: 9-4.1 Simplifying Rational Expressions
TOP: 9-4 Example 1
KEY: rational expression | simplifying a rational expression | restrictions on a variable
52. ANS:
x 2
25 + y 2
16 = 1
REF: 10-4 Ellipses
OBJ: 10-4.1 Writing the Equation of an Ellipse
TOP: 10-4 Example 1
KEY: co-vertex of an ellipse | ellipse | equation of an ellipse | major axis of an ellipse | minor axis of an ellipse |
vertex of an ellipse
53. ANS:
y =±
x − 7
7
REF: 7-7 Inverse Relations and Functions
OBJ: 7-7.1 The Inverse of a Function
TOP: 7-7 Example 2 KEY: inverse relations and functions |
8