Answer:
A
Step-by-step explanation:
Given
a =
-
=
← as a single fraction
Thus
=
=
→ A
Answer:
c
Step-by-step explanation:
Answer:
3/2
Step-by-step explanation:
ugygv
The mapping rule for 90 degrees counterclockwise would be (-y,x). So if you had (x,y) it would transfer to (-y,x). Yours is wrong it should be (4,-3). Remember
-(-4) is 4 and -3 stays as -3.
Basically, memorize these mapping rules.
Hope this helped!
Answer:
180
Step-by-step explanation: