Advanced Math practice question

Answer: -1

x − 3 = ±4, so x = 7 or x = −1.

Common wrong answers

If you answered 1

1 has the sign wrong.

If you answered 7

7 is the larger value.

If you answered -7

−7 subtracts 3 from −4 instead of adding.

More Advanced Math questions

• Easy–Medium
  If f(x) = 2x² − 3, what is f(4)?
• Easy–Medium
  Which expression is equivalent to (2x³)(3x⁴)?
• Easy–Medium
  What are the solutions to x² − 16 = 0?
• Easy–Medium
  Which expression is equivalent to (x + 5)²?
• Easy–Medium
  For x ≠ 0, which expression is equivalent to (x² + 3x) / x?
• Easy–Medium
  What are the solutions to the equation 2(x − 3)² − 32 = 0 ?