Skip to content

K–12 course Available practice SAT practice Sign in Admin

grade 11 · A2-007

Find complex quadratic roots

Interpret a negative radicand with i and keep both square-root branches.

← Learning map

Learn together Try with a hint Show what I know

Try with a hintFresh problem · seed 1763824114

Solve \(x^2+25=0\).

√(−25)→two roots?

Give me one hint

Isolate x-squared first.

Choose an answer\(x=\pm 5\)\(x=5i\)\(x=\pm 25i\)\(x=\pm 5i\)

It is always okay to go back to more help.

Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.