Review of the rest of topics Exponential Equations and Interest Problems.

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Presentation transcript:

Review of the rest of topics Exponential Equations and Interest Problems

The Mini-Lessons are very helpful to study Mini-lessons can be found on our website: bit.ly/ALG2ct

Think About Others The Regents is coming up very soon. Talking makes it hard for everyone to learn. You cannot interrupt the mini- lesson…IT LOWERS the CLASSES REGENTS SCORE!!! (with less worktime and less effective lessons, how could it not)

They give us the formula. We have to figure out where to put each number in that formula

V = Pe rt P is the principal initially invested. What is the value of P? P = $1200

V = Pe rt e is the base of a natural logarithm. The base of ln x (the natural logarithm) is e!!!

Here is where to find e^ on your calculator

V = Pe rt r is the rate of interest. What is the value of r? The rate is 6.5%...REMEMBER! Divide by 100 before using!!! 6.5/100 =.065 r =.065

V = Pe rt t is for years What is t? 10 years t = 10

V = Pe rt V = 1200 e^(.065*10) V = … P = $1200 e is e r =.065 t = 10

Be careful!!! This step is where the most mistakes are made. Don’t forget the parenthesis!!! 2( x 2 + 4x )

If both bases are the same, then you know for a fact that the exponents have to be the same, too. (if same, eliminate) Divide both sides by 2

This is what is left when you divide by 2

Add 3 to both sides

Factor: (easy, 3 and 1 are only options)

What makes the left side 0? -1 makes it 0 -3 makes it 0. The solutions are:

We have gone over 80% of the Pre-Test problems during mini-lessons Your last Post-Test of the year will be on Friday. From this point on, we will have 2 small quizzes a week. This will test your knowledge of Trig and all the other outcomes we have done this year. You will turn in your Pre-Test with every problem done right before the Post-Test on Friday. If every problem is shown correctly, you will receive an E. (Remember, if you are stuck, solutions to these problems can be found online) Good luck on your final Post- Test!!!!

Today, we will meet in Responsibility Teams. Your Team is required to follow UR rules while in your team. 1. If you have a question ask it. 2. Make sure everyone in the group is working! 3. If everyone is stuck, work on it together. If somebody knows, teach your group!!!

Responsibility Teams