Question

What is the value of 1/2 x^2 -10 when x = 6?

Answer 1

If we have the expression:

`(1)/(2)x^2-10`

we can find its value when x=6 by replacing x with the value 6 and calculating the result:

`(1)/(2)(6)^2-10=(1)/(2)\cdot36-10=18-10=8`

Answer: the expression has a value of 8 when x=6.