Algebra - Ch. 26: Solving Problems with Quadratic Equations (4 of 11) Cutting Glass Ex.4

To donate:

We will find the cut strip=x=? from a rectangle of 15cmx20cm such that the remaining area=A=100cm^2.

Next video in this series can be seen at:

[aliso-pvll]

Doc B, Of course these are textbook problems. In real world applications it is far easier to measure 10cm by 10cm to get the required area. Notwithstanding, how you solved this problem is important to use in other circumstances. Thanks for your excellent videos.

[randomchaos]

What is the significance of negative numbers in quadratic equations for areas?

[hajiratanvirhajiratanvir]

thanks for your lecture . Mr could u pls explain about trigonometric reference angles. Thanking you in anticipation.