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Geometry - 1st, 2nd & 3rd blocks

4/19/2019

1 Comment

 
Homework: Complete the odds on pages 44 - 49 in your Unit 5: Modeling packet. Today in class, we completed the notes on circles on pages 34 - 36 in your packet.
Today we learned:
-  First, you need to know the center of a circle and then you need to know the radius of a circle.  If you are not given those, you have to figure it out from the information given.
-  When you know the center of a circle and a point on the circle, use the distance formula using these 2 points to find the radius.  
- When you know the endpoints of a diameter of a circle, use the midpoint formula to find the center of the circle, then...
- Use the distance formula using the center (the point you just found) and one of the endpoints of the diameter (it doesn't matter which one) to find the radius
- Complete the square for x and y to change the equation of a circle from general form to standard form.
- Multiply the binomials with x and y to change the equation of a circle from standard form to general form.
- Verify if a point is on a circle.

Pictures of notes are below:
​Page 34 - 36 notes:
Picture
Picture
Picture
1 Comment
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6/26/2019 08:41:57 pm

Geometry is the hardest part of my academic year. As a high school student, I do not really have huge subjects to deal with. In my opinion, I am a pretty average student in terms of what I can accomplish. I am not that bad at any subject, that is, of course, except Geometry. Mathematics is really hard for me, and Geometry is the hardest part that I had to deal with. I hope that I can understand Geometry soon.

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