Intermediate Algebra 2 Assignment for 12/11, plus Test Warning

We are wrapping up Unit 3, and our unit test will be on Friday, December 15. It will be cumulative for the entire unit, including graphing/identifying key features of parabolas and solving quadratic equations. Today and tomorrow, we are connecting the first and second parts of the unit together, and we started that today by discussing how to find the key features of a parabola algebraically (i.e., from the equation, without graphing it). We did this via a Desmos activity, so there are no notes, but you could review the method we discussed with this video.

The homework is HW 3.16 – Finding Key Features Algebraically.

Cumulative IXL Review Modules (newly added modules are in bold).

 

Advertisements

Intermediate Algebra 2 Assignment for 12/8

We spent some time in class reviewing the three methods of solving quadratic equations:

  • Factoring (which only works when the polynomial is factorable)
  • Using the Square Root (which only works when there is no “bx” term in your polynomial)
  • Quadratic Formula (which works in all cases, but is kind of a pain)

The notes for our review are here, and the homework is HW 3.15 – Solving Quadratic Equations Recap.

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 12/7

We discussed today that some quadratic equations can simply be solved using the square root (though with the specification that they still must include a plus/minus, since all* quadratic equations have two solutions). We also looked at an example of creating a quadratic equation from a word problem and solving it, taking care to ignore the answer that didn’t make sense in the context of the problem (the so-called extraneous solution). The notes can be found here, and your homework is HW 3.14 – Quadratic Word Problems. Check out this video for another example of a quadratic word problem involving area, and this video for more on solving equations with the square root.

*Okay, not all. Quadratics that factor to something like (+ 3)(+ 3) = 0 only have the one solution of x = -3.

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 12/6

We had a pop quiz in class today. I don’t generally like to give pop quizzes, but I really needed to see where we are at with solving quadratic equations before we move on. The quiz will be graded and recorded, but its weighting will reflect the fact that it was a pop mini-quiz and not a full-period quiz that you had knowledge of beforehand.

Your homework is to work on a single IXL modules linked below: BB.10 from the Algebra 1 section of IXL. All I’m asking you to do is to complete it up to a score of 80.

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 12/5

We did some more practice with solving quadratic equations today, so there are no new notes. Your homework is HW 3.12 – Solving Quadratics Extra Practice. See the videos posted in the past few days for extra support on how to approach these problems.

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 12/4

Continuing our work with quadratic equations, today we have HW 3.11 – The Quadratic Formula and Simplifying Radicals. The notes can be found here and more examples of simplifying radical expressions can be found here (and yes, she is writing backwards on a pane of glass).

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 12/1

Continuing with solving quadratic equations, today we reviewed the Quadratic Formula. Your homework is HW 3.10 – Solving Quadratics with the Quadratic Formula. Notes can be found here, and you can again find many, many videos on YouTube about the Quadratic Formula, but I recommend this one (and others by that same channel).

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 11/30

We’ve started the second part of Unit 3 today, working with quadratic equations from an algebraic — instead of a graphical — approach. Your homework tonight is HW 3.9 – Solving Quadratics by Factoring. You can find the notes posted here, and there are many videos on YouTube you could check out for extra examples: I recommend this one.

Cumulative IXL Review Modules (newly added modules are in bold).

Intermediate Algebra 2 Assignment for 11/28

We will have our first quiz on Unit 3 tomorrow, all about graphing and identifying key features of parabolas. Finish HW 3.7 – Parabolas Quiz Review for a homework credit (you can find the answers to it here).

I’d also recommend that you continue to work on the IXL modules below. Many of you still haven’t gotten them up to the expected scores!

Cumulative IXL Review Modules

Intermediate Algebra 2 Assignment for 11/27

We will have a quiz on the first part of Unit 3 on Wednesday, November 29. It will cover all of the work about parabolas that we have done, including today: Finding key features with the calculator. The notes from today can be found here, and your homework is HW 3.6. If you need a refresher on using your calculator, check out the video here (it uses a non-parabola graph, but the commands are the same).

Cumulative IXL Review Modules

Intermediate Algebra 2 Assignment for 11/21

We did some IXL practice in class today while I met with students individually. Whatever modules you didn’t finish in class are due on Monday (for a separate HW credit each!)

 

Intermediate Algebra 2 Assignment for 11/20

The parabolas we’ve been working with in class so far are graphs of quadratic equations, of the form f(x) = ax^2 + bx + c. Today, we practiced using graphing technology (either your graphing calculator or http://www.desmos.com/calculator) to graph parabolas and identify the key features. You can find the notes here, and your homework is HW 3.4 – Graphing Parabolas.

Cumulative IXL Review Modules

Fractals & Chaos Assignment for 11/20

Finish question 5 from Iterated Functions, using the apps on MathInsight.org. Note that all of these functions have fixed points at zero, where the instantaneous slope at zero is equal to 1. This creates some interesting behavior for some fixed points, so make sure you check the behavior of seeds on either side of the fixed point.

Intermediate Algebra 2 Assignment for 11/17

We explored parabolas some more with yet another Desmos activity today, formalizing our vocabulary for the key features of the graph. You can find the notes uploaded here, and the homework for the weekend is some practice at identifying these key features: HW 3.3 – Parabola Key Feature Vocabulary.

Cumulative IXL Review Modules

Intermediate Algebra 2 Assignment for 11/15

We started unit 3 with a Desmos activity, and your homework tonight is to reflect on what happened. Please consider the following two questions:

  1. Describe one thing that you learned from the Will It Hit the Hoop Desmos activity from class?
  2. What else do you think you could use a parabola to model the shape/path of?

I’ll be collecting your answers to these in class tomorrow, as well as asking you to share them with the class.

Intermediate Algebra 2 Assignment for 11/13

Your Unit 2 test is tomorrow! You should be well prepared at this point. Use the Study Guide you made over the weekend and the second Test Review sheet you got in class today (answers can be found here). And do some more practice with IXL!

Cumulative IXL Review Modules

Intermediate Algebra 2 Assignment for 11/9

Our test for Unit 2 is on Tuesday, November 14. Your homework this weekend is to complete the study guide with answers to the exercises and additional notes as you need them. Also, consider doing some IXL review as practice!

Cumulative IXL Review Modules (newly added modules to this list are in bold)