Algebra 2 Semester 2 Practice Final Summer 13

ID: A
8. ANS:
f −1 (x) = 5 ±
6
x
REF: 7-7 Inverse Relations and Functions
TOP: 7-7 Example 4
9. ANS:
2
3
REF: 7-5 Solving Radical Equations
TOP: 7-5 Example 4
10. ANS:
5x 4 − 3x 3 − 25x 2 + 25x − 6
OBJ: 7-7.1 The Inverse of a Function
KEY: domain | inverse relations and functions | range
OBJ: 7-5.1 Solving Radical Equations
KEY: radical equation | extraneous solutions
REF: Page 414 OBJ: 6-2.2 Multiplying Polynomials NAT: 12.5.3.c
TOP: 6-2 Multiplying Polynomials KEY: multiplying polynomials
11. ANS:
(x − 3)(x 2 + 3x + 9)
REF: 6-4 Solving Polynomial Equations
TOP: 6-4 Example 3
12. ANS:
OBJ: 6-4.2 Solving Equations by Factoring
KEY: polynomial | factoring a polynomial
− 8 9
REF: 9-6 Solving Rational Equations
TOP: 9-6 Example 2
13. ANS:
(–8, 8); 4
OBJ: 9-6.1 Solving Rational Equations
KEY: rational equation
REF: 10-3 Circles OBJ: 10-3.2 Using the Center and Radius of a Circle
TOP: 10-3 Example 4
KEY: center of a circle | circle | equation of a circle | radius | translation
14. ANS:
34
REF: 7-5 Solving Radical Equations OBJ: 7-5.1 Solving Radical Equations
TOP: 7-5 Example 1 KEY: radical equation |
15. ANS:
89
3
REF: 8-5 Exponential and Logarithmic Equations
OBJ: 8-5.2 Solving Logarithmic Equations
TOP: 8-5 Example 6
KEY: logarithmic equation | properties of logarithms
2