Hints and Extra Problems for Homework 8: Metric Space

Show learners how to apply rational equations to the real world. Learners solve problems such as those involving averages and dilution. They write equations to model the situation and then solve them to answer the question —...

Banks are responsible for keeping our financial information safe. Mathematics is what allows them to do just that! Pupils learn the math behind the cryptography that banks rely on. Using polynomial identities, learners reproduce the...

Move beyond setting up equations. Pupils continue with optimization problems and use their knowledge of derivatives to find solutions. They watch as the video uses equations from previous examples and find solutions to answer specific...

Sal starts to solve a trigonometric word problem of a wayward ship captain who veers off course and once aware of his predicament, needs to know how far he is from his destination. Instead of using the Law of Cosines in his solution, Sal...

The next time you are at an amusement park you may want to consider all the interesting math problems you could do! Using trigonometric ratios, some logic and algebra, Sal solves a problem in this video of finding a person's height off...

In this video, Sal solves a word problem sent in by a listener with two cyclists riding towards each other over a given time. It is an interesting problem regarding ratios and the relationship between distance, rate, and time. He shows...

Don't make conversions a tonne of work! Use the quick video lesson to demonstrate conversions between grams, kilograms, and tonnes. Learners then use the practice problems to master the concept.

Become wholly versed in dealing with fractions. After briefly reviewing how to find a fractional part of a whole, the narrator of an instructional video describes how to find the whole, given the part and the fraction. Viewers watch as...

Could anyone really eat 15 feet of a sub sandwich in one day? That's how much this math problem says he ate. He actually started out with a bigger sub sandwich. How big was it to start? The instructor uses a table to illustrate how you...

In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....