Question

PLEASE HELP

5.
If t= -3, then 3t^2 +5t +6 equals
A. -36
B. -6
c. 6
D. 18

Answer 1

D

Explanation:

substitute t=-3 in the equation

3(-3) squared +5(-3)+6=18

Answer 2

Explanation:

According to the question , value of t = (-3) . So on directly putting t = (-3) in expression we have ,

`\tt \to 3t^2 +5t+6 \\\\\tt\to 3(-3)^2+5(-3)+6 \\\\\tt\to (3)(9)-15 +6 \\\\\tt\to 27 - 15 +6 \\\\\tt\to \boxed{\orange{\tt 18 }}`