Answer:
I think he made a mastake a step 3
Step-by-step explanation:
(-2,3). When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x).
Answer:
C
Step-by-step explanation:
No, this triangle is not equilateral. This triangle is scalene. All three sides are of different lengths, which is why it's scalene. In order to have an equilateral triangle, all three sides need to be the same length.
Yes, 0 + 2 = 2
2 + 2 = 4
4 + 2 = 6.
Since they're just ADDING 2, not MULTIPLYING by 2, it's arithmetic, not geometric.