Search up heating curve chemistry: it should look somewhat like that lol :). But, the last interval should have a small slope, the middle interval a big slope, and the first interval: a medium slope.
<span>a rectangle rhombus(parallelogram) since even a parallelogram has diagonals</span>
You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive
