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# Web Links for Algebra 2, 3rd ed.

## Web Resources

### Algebra Helps

• Mathforum.org—A mathematics library page with links to mathematical topics, issues, teaching resources, tools, lesson plans, assessments, and more
• The Teacher’s Corner—Bulletin boards, printable worksheets, collaboration projects, and more
• National Library of Virtual Manipulatives—A multitude of manipulatives, applets, and ideas for class lectures or individual student enrichment activities
• Algebra.help—Lessons, calculators, and worksheets
• Ask Dr. Math—Have a math question? Ask it here.
• Math Is not Linear—Prezi presentation calling for a connected teaching of mathematics
• Using Manipulatives—An article promoting the manipulative approach
• Algeblocks—A manipulative approach to polynomial algebra; Here you can see what actually happens when you factor a binomial.

#### Section 1.3

• Exponent Rules—Use a TI graphing calculator program to discover the rules of exponents.

#### Section 2.2

• Shark Attack—A TI graphing calculator activity investigating how modifying the slope or intercept of a linear equation changes the graph

#### Section 2.7

• Distances and Midpoints in the Coordinate Plane—TI graphing activities that lead to the midpoint and distance formulas

#### Section 2 and Dominion Modeling

• Global Warming in Perspective—An article examining global warming, a proper Christian response to global warming claims, and a believer's responsibility under the Dominion Mandate

#### Section 3.2

• Boats in Motion—Solve systems of linear equations algebraically and graphically.

#### Chapter 3.4

• Graphing Systems of Inequalities—A Wolfram Demonstration in which the user inputs a system of inequalities, chooses test points, shades, and checks the solution
• The Impossible Task—A TI graphing calculator manufacturing application activity in graphing and solving inequalities

#### Section 4.3

• Matrix Multiplication—A Wolfram Demonstration that illustrates matrix multiplication
• Crop Rotation—An activity involving a crop rotation plan using matrix multiplication

#### Section 4.4

• Triangle in the Matrix—Determine the area of a triangle using the determinant of a matrix containing ordered pairs representing the triangle's vertices.

#### Section 4.5

• Meadows or Malls?—Use matrices and solve a system of equations to determine land use.

#### Section 5.6

• Solving Quadratic Equations—A Wolfram Demonstration using the quadratic formula to find the real and complex solutions for quadratic equations

#### Section 5.7

• Quadratic Formula—A TI graphing calculator activity using the quadratic formula to solve quadratic functions; also investigates how the discriminant can be used to determine the nature and number of solutions

#### Section 6.8

• Building Curves—Graphically explore the addition, subtraction, multiplication, and division of polynomials and fit a polynomial function to given data.
• One of the Many Ways—A calculator activity for graph polynomials and making conjectures about the number of possible zeros a polynomial can have

#### Section 8.7

• Change of Base—An activity using a TI graphing calculator to discover the change of base formula

#### Section 8.8

• Chill Out: How Hot Objects Cool—A TI graphing calculator experiment investigating Newton's Law of Cooling and using exponential functions to model the cooling data

#### Section 9.7

• Illuminations: Crows and Whelks—Perform an experiment, analyze data, and use rational functions to investigate the mollusk-dropping behavior of crows.
• Building Boxes—Use polynomial and rational functions to determine the specifications of box manufacturing.
• Asymptotes & Zeros—A TI graphing utility exploring the connection between the asymptotes and zeros of a rational function and the zeros of a polynomial function

#### Section 10.2

• Solving Trigonometric Equations—A TI graphing calculator activity for solving for angle measure by using inverse trig ratios and by finding the intersection of two graphs

#### Section 12.2

• Arithmetic Sequences—A TI graphing calculator activity which connects arithmetic sequences to scatterplots and linear equations

#### Section 12.3

• Illuminations: To Fret or Not To Fret—Explore the geometric sequences used to position frets on a stringed instrument. Also, relate geometric sequences to exponential functions.
• Double Tree—Use the TI graphing calculator to model the growth of a tree using a geometric sequence.
• Squares Inside Squares—A lesson on developing a recursive formula for finding the area of squares inscribed in squares

#### Section 13.6

• Binomial Probabilities—Use a TI graphing calculator to simulate rolling a die.
• Modeling Probabilities—Use a TI graphing calculator to simulate trials of a binomial experiment and compare experimental probabilities with theoretical probabilities. Investigate how the number of trials changes the outcome.

#### Section 13.8

• Average Orange—Use a TI graphing calculator to explore the area under a normal curve.

#### Section 14.4

• Orbit of Jupiter—Use a TI graphing calculator to explore Cartesian and parametric models for Jupiter's orbit.
• Moving with the Planets—An article on the historical theories of planetary motion

## Link Disclaimer

The fact that a link is listed on this site does not mean that BJU Press endorses its entire contents from the standpoint of ethics, philosophy, theology, or scientific hypotheses. The position of BJU Press on these subjects is well known. In order to provide a useful service to our customers, links to many sites of content relevant to our publications are posted on the basis of the information and/or services that the sites offer.

Due to the transient nature of Internet websites, these links are updated regularly. At the time of publication, all of the web links suggested in our educational materials were active. Since then, some may have been replaced by similar websites or removed from this list. If you have comments, suggestions, questions, or find that one of these resources is no longer in service, please e-mail us.

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