Solve for x: x^2 – 9 = 0.

Ax = 3 only

Bx = -3 only

Cx = ±3

Dx = 9

Explanation

x^2 = 9 => x = sqrt(9) = ±3.

Exam Relevance

Topic: Algebra
Subtopic: Quadratic Equations

Submitted by: mcqstutor Team More Mathematics MCQs →