Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.
-$3 ( 5 f + 9 ) = 15 f + 27$
A) Conditional; {all real numbers }
B) Identity; {all real numbers }
C) Contradiction; $\varnothing$
D) Identity; $\varnothing$

Question

Quizplus · Accepted Answer

The equation simplifies to $15f + 27 = 15f + 27$, which is true for all values of $f$, making it an identity.

Decide Whether the Equation Is "Conditional," an "Identity," or a "Contradiction