Instructional Video
Khan Academy

Khan Academy: Electrical Engineering: What Is Inside a Coffee Maker?

9th - 10th
In this video we explore what is inside a coffee maker, how it is made, and how it works. [13:52]
Instructional Video
Sophia Learning

Sophia: Reversing the Sign in Inequalities: Lesson 2

9th - 10th
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 2 of 9 in the series titled "Reversing the Sign in Inequalities."
Instructional Video
Sophia Learning

Sophia: Reversing the Sign in Inequalities: Lesson 3

9th - 10th
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 3 of 9 in the series titled "Reversing the Sign in Inequalities."
Instructional Video
Sophia Learning

Sophia: Reversing the Sign in Inequalities: Lesson 7

9th - 10th
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 7 of 9 in the series titled "Reversing the Sign in Inequalities."
Instructional Video
Sophia Learning

Sophia: Reversing the Sign in Inequalities: Lesson 1

9th - 10th
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 1 of 9 in the series titled "Reversing the Sign in Inequalities."