The reflection of a point A(a, b) across the x-axis, is the point A'(a, -b).
Thus the point P(-1, 6) is reflected to P'(-1, -6).
Check the picture.
Answer:
I'm pretty sure yes but it could also not be determined.
Answer:
1. -35
2. 8
Step-by-step explanation:
1.
A withdrawal is represented by a negative number since the balance of the account is lowered.
Answer: -35
2.
A gain is represented by a positive number.
Answer: 8
Answer:
|4| - 2 = 2
|4| - 6 = -2
Step-by-step explanation:
Answer: In set theory, the union (denoted by ∪) of a collection of sets is the set of all elements in the collection. It is one of the fundamental operations through which sets can be combined and related to each other.
A U B U C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }
Step-by-step explanation:
A = {1, 2, 5, 7}
B = {3, 4, 6, 7}
C = {0, 5, 8, 9}
A U B U C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }