Do you have answer choices, or is this an open-ended one?
The tenths place digit is the digit right after the decimal point.
So in 264.5, the tenth digit is 5.
According to Vieta's Formulas, if
are solutions of a given quadratic equation:
Then: is the completely factored form of
.
If choose
, then:
So, according to Vieta's formula, we can get:
But
: