SmarterEd

Aussie Maths & Science Teachers: Save your time with SmarterEd

  • Login
  • Get Help
  • About

Algebra, STD2 A1 2024 HSC 1 MC

If  \(x=-2.531\), what is the value of \(x^2\) rounded to 2 decimal places?

  1. \(-6.41\)
  2. \(-6.40\)
  3. \(6.40\)
  4. \(6.41\)
Show Answers Only

\(D\)

Show Worked Solution
  \( x^2\) \(=(-2.531)^2 \)
    \(=6.405\ldots \)
    \(=6.41\)

 
\(\Rightarrow D\)

♦♦ Mean mark 29%!
COMMENT: Brain dead calculator usage will cause issues here.

Filed Under: Substitution and Other Equations (Std2-2027) Tagged With: Band 5, smc-6234-10-Substitution, smc-789-10-Substitution

Copyright © 2014–2025 SmarterEd.com.au · Log in