Answer:
When you multiply radical expressions you multiply the numbers under the radical symbols.3–√×7–√=21−−√
When you add radical expression you CANNOT add the numbers under the radical symbols.
3–√+7–√≠10−−√
Step-by-step explanation:
Slope is m= y2- y1 / x2- x1.
Billy flipped both where the numbers go, and in which order they should be in.
It should be -5-5 / -2-2 giving you zero (0).