See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 questions from this quiz
An equation with a quadratic hidden inside
u=x2u = x^2u=x2
u=xu = \sqrt{x}u=x
x=±3x = \pm\sqrt{3}x=±3
u2−6u+9=0u^2 - 6u + 9 = 0u2−6u+9=0
Square roots must be non-negative
x=4x = 4x=4
No real roots
A square number cannot be negative
To simplify the equation to standard form
Select your subjects, and get access to A+ resources today.