Which of the following numbers are imaginary?
I. i^2
II. square root of -1
III. 2i
(1) I, II, and III
(2) III only
(3) I and III only
(4) II and III only
Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning
The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2