Answer:
x=1
Step-by-step explanation:
Your question is incomplete.
Update: A. -2.5
Answer:
4th choice (if we guessed the blurry letters properly)
Step-by-step explanation:
The reflection maps ...
(x, y) ⇒ (x -y)
Then the rotation maps ...
(x, -y) ⇒ (y, x)
That is, R(-1, 4) becomes R'(4, -1), apparently matching point S, the only point at (4, -1). We can't read the letters, but we know that you only need to know where R ends up in order to select the correct answer.
Answer:
4√5
Step-by-step explanation:
The perfect square 16 is a factor of 80; the other factor is 5.
Thus: 80 = 16 * 5, and
√80 = √16*√5 = 4√5