Answer:
When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.
Step-by-step explanation:
Answer:
1368
Step-by-step explanation:
The lines mean that they are parallel
Answer:
<u>A</u> He should ask his students to know what they prefer
Step-by-step explanation:
The answer is b it goes through all y values