Question

Write a quadratic equation whose solutions are 7i and -7i.
The equation is: x^2+____=0

Answer 1

49

Answer 2

not much work here just
\[7-\times -7i=-49i^2=49\] or think if the zeros are
\[7i,-7i\] then you must be solving
\[x^2=-49\]

Answer 3

awesome, thank you