Question

Write the number in i-form.

−4

Answer 1

`\huge\boxed{\sf 4i^2}`

Explanation:

`\sf = -4\\\\We \ know \ that\ i^2 = -1 \\\\= 4 (-1)\\\\= 4i^2\\\\\rule[225]{225}{2}`

Hope this helped!

~AH1807