Learn and practice the chain rule for differentiation. The chain rule is used when faced with the composition of functions.
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Practice using the pythagorean theorem with raise my marks math tutoring and exercises, Ottawa, Toronto. IB math and provincial curriculums.
Learn what collinear points are. Practice finding and determining if sets of points are indeed collinear.
The length of a line is not necessarily a practical value as a line goes on for ever. The length of a line is infinite. However, the length of a line segment is of more value and is a finite value. Any time we measure how long a package is or how long our table is, we are taking the length of a line segment. Learn the formula for finding the length of a line segment when given two points in either 2 dimensions or in 3 dimensions.
Learn about what the “range” of a function is, how to identify the range for a function and how to write out the range of a function.