Applications
Grade 12
What this lesson shows
Why learn derivatives at all? Here's the honest answer. A ball rolls, and its distance after t seconds is t squared metres. How FAST is it moving at 3 seconds?
Try it yourself
Real questions from this lesson's worksheets — answers below each one.
- d/dx 9x⁶
Show answer
54x⁵ - f(x) = x² + x + 1. Find f'(1)
Show answer
3 - f(x) = x² + x + 1. Find f'(2)
Show answer
5 - d/dx 8x⁴
Show answer
32x³
Practise this every day
Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.
Start free