Question

Evaluate the expression if b = -2/3 and c = 1/2.
2bc + 3b^2

Answer 1

2/3

Explanation:

2 (−2/3) (1/2) + 3 (−2/3)^2

= −4/3 (1/2) + 3 (−2/3)^2

= −2/3 + 3 (−2/3)^2

= −2/3 + 3 (4/9)

= −2/3 + 4/3

= 2/3