Answer:
-129.68
Step-by-step explanation:
√78 is equal to 8.8, so it rounded up it would be placed on the nine on the number line.
-√15 is equal to -3.8 so I would put it at the 3 marker.
They both belong to rational numbers.
What makes a number rational is its ability to be represented as a ratio of two integers. -1.875 is equal to -1875/1000. They are not natural numbers or integers because they are not whole.
Answer:
gradient = 3
Step-by-step explanation:
3/1 = 3
hope this helps