-16t^2+400=0
16t^2=400
take square root on both sides.
4t=20
t=20/4
t=5
P,Q,R can't be 0, because their product is nonzero. Either of S and T could be 0, but the third one only works if S is 0.
Answer:
The answer is B because if you take the line of y=-x (which you can look up on desmos if you don't know what y=-x looks like) and reflect over that line you can see that when the dot reflects over the line y=-x it goes to points (0,2)
Step-by-step explanation:
1 1/2 cause your getting half not just sum
