43.0k views
4 votes
PLEASE HELP

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

User Dan Lecocq
by
7.7k points

2 Answers

0 votes

Answer:

D

Explanation:

substitute t=-3 in the equation

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

User Brad Solomon
by
8.2k points
0 votes

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 }}

User Mohit Kanada
by
8.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories