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Algebra Final Examination

Answer Key
Testname: FINAL_SG

Page Ref: 106-109
Objective: (2.3) Solve Equations (Multi-Step/Parentheses)

2) {1}
Page Ref: 111-112
Objective: (2.3) Solve Equations (Combinations)

3) 4
Page Ref: 115-122
Objective: (2.4) Solve Apps: Numbers

4) 30°
Page Ref: 115-122
Objective: (2.4) Solve Apps: Angles

Page Ref: 131-133
Objective: (2.5) Solve Formula for Variable

6) n > 12

Page Ref: 159-160
Objective: (2.8) Solve and Graph Inequality (Using Addition)

7) Yes
Page Ref: 190-191
Objective: (3.1) Decide Whether Ordered Pair Is Solution of Eqn

8)

Page Ref: 203-206
Objective: (3.2) Graph Linear Equation

9) Undefined
Page Ref: 216-217
Objective: (3.3) Determine Nature of Slope

10) y = -5x + 28
Page Ref: 225-227
Objective: (3.4) Write Equation Given Slope and Point

11) Base: -6x, exponent: 2
Page Ref: 244-245
Objective: (4.1) Identify Base and Exponent

12) Yes
Page Ref: 260-261
Objective: (4.3) Determine Whether Number is in Scientific Notation

13) 17x⁸ + 8x⁷ + 3x⁶ + 11
Page Ref: 270-274
Objective: (4.4) Add Polynomials (One Variable)

14) 6m⁵z⁶
Page Ref: 279
Objective: (4.5) Multiply Monomials

15) w² - 8w + 16
Page Ref: 286-287
Objective: (4.6) Find Square of Binomial

16) x + 5
Page Ref: 292-293
Objective: (4.7) Divide Polynomial by BinomiaTrinomial

17) (x + 9)(x - 11)
Page Ref: 325-327
Objective: (5.2) Factor Trinomial in One Variable

18) 5x(x - 3y)(x + 4y)
Page Ref: 325-327
Objective: (5.2) Factor Trinomial in Several Variables

19) 5(3x + y)(4x + y)
Page Ref: 332-334
Objective: (5.3) Factor Trinomial by Grouping

Page Ref: 349-351
Objective: (5.5) Solve Quadratic Equation by Factoring I

21) 1, 6/5, 0
Page Ref: 352-353
Objective: (5.5) Solve Cubic Equation by Factoring

22) 10 in. by 18 in.
Page Ref: 356-357
Objective: (5.6) Solve Apps: Geometry II

23) 9, -9
Page Ref: 379-380
Objective: (6.1) Find Values for Which Expression is Undefined

Page Ref: 401-405
Objective: (6.4) ^Add/Subtract Rational Expressions

25) 7/9
Page Ref: 428
Objective: (6.7) Solve Apps: Number Problems

Page Ref: 452-455
Objective: (7.1) Find Intercepts and Graph Equation

27) - 4/11
Page Ref: 456-460
Objective: (7.1) Find Slope of Line Through Pair of Points

28) Slope - 4/7; y-intercept {0, 43/7}
Page Ref: 470
Objective: (7.2) Find Slope and y-Intercept Given Standard Form

29) 15
Page Ref: 498
Objective: (7.4) Solve Variation Problem

30) No
Page Ref: 522-523
Objective: (8.1) Decide Whether Ordered Pair is Solution of System

31) {(-2, 0)}
Page Ref: 539-543
Objective: (8.3) Solve by Elimination

32) Infinite number of solutions
Page Ref: 539-543
Objective: (8.3) Solve by Elimination

33) {13, 3}
Page Ref: 604
Objective: (9.2) Solve Absolute Value Equation

34) -8
Page Ref: 633-634
Objective: (10.1) Find Cube, Fourth, or Fifth Root

35) 81
Page Ref: 641-646
Objective: (10.2) Simplify Expression Involving Rational Exponent I

Page Ref: 661-663
Objective: (10.4) Simplify Sum or Difference of Radicals (Index = 2)

37) {7}
Page Ref: 677-678
Objective: (10.6) Solve Radical Equation Using Power Rule

38) -18 + 38i
Page Ref: 687-688
Objective: (10.7) Multiply Complex Numbers

Page Ref: 725-726
Objective: (11.3) Use Quadratic Formula to Solve Equation (Real)

40) Two imaginary solutions
Page Ref: 728-729
Objective: (11.3) Use Discriminant to Find Number and Type of Solutions