Math 10
Math 10 Midterm Review Videos
Below are links to 4 PowerPoint presentations I made to help prepare for the math midterm. (You should pause them so they won’t all start at the same time)
Ms McArthur watch the first one with the pyramids, thank you.
Trigonometry
In a right triangle if you’re trying to find an angle, the ratio of an angle, or the length of a side, there are three ratios that you can use.
First the sine ration. The sine ratio is the length of the side opposite to the angle divided by the length of the hypotenuse of the triangle. Secondly, you have the cosine ratio. The side ratio is the length of the side adjacent to the angle divided by the length of the hypotenuse. And lastly, the tangent ratio. The tangent ratio is the length of the side opposite to the angle divided by the length of the side adjacent to the angle.
Graphs of Exponential Functions
Explanation
I was in group 4 so we needed to solve and graph the equation “y = 3^-x”, where x was equal to -10-10. The distances between the points represent the differences of what “y” is equal to when using the different powers. We also needed to compare our graph to the graph of group 3 who had the equation “y = 3^x”. Both the graphs where opposites of each other, so they where both flipped on the y-axis.
What did I learn?
I learned about the similarities with equations that use the same base, but different exponents. I also learned how inverting the exponent will affect how the graph will look, and how to identify the similarities between two graphs.
Marshmellow Football
Process
While making this we needed to figure out how we would be able to get a structure that can support itself and resemble a football in some way.
What did I need to change?
After the first try the ball would keep falling over, so to help keep it standing we made it smaller and added more sticks to make it more sturdy.
How is this a math problem?
We where given a problem and we needed to find a solution. While doing this we used what we learned in geometry making sure all the shapes fit together and that it could stand.