Question

(1.02)

Evaluate the following expression using the values given:
Find 3r2 – 5s + 6t if r = 2, s=-4, t = -1
O 38
O 26
O -2
O -14

Answer 1

(3r2 -5s +6t if r=2 s= -4 t= -1 ) =-2

Answer 2

-14

Explanation:

3r2-5s+6t

3.2.2-5(-4)+6.(-1)

12-20-6

12-26

-14