What number is represented by -3x^2+sqrt(2x)+1/2 when x=sqrt(2)?
-3x^2+sqrt(2x)+1/2 ......when x = √2, we have
-3(√2)^2 + √(2√2) + 1/2 =
-3(2) + √(2√2) + 1/2 = about -3.818