Question

What are some examples of direct variation in real life?

Answer 1

Direct variation in real life.

Explanation:

1. A car travels `x` hours with a speed of `"60 km/h"` `->` the distance: `y = 60x`

2. A man buys `x` bricks that cost `$1.50` each `->` the cost: `y = 1.50x`

3. A tree grows `x` months by `1/2` meters each month `->`
   the growth: `y = 1/2 x`