Question

Evaluate the following expression when a = -2, b = -1, and c = 5: 2c^2 - 2a + b.

a) 30
b) -30
c) 40
d) -40

Answer 1

The value of the expression is 53.

Step-by-step explanation:

To evaluate the expression 2c^2 - 2a + b when a = -2, b = -1, and c = 5, we substitute these values into the expression:

2(5)^2 - 2(-2) + (-1)

Simplifying further, we have:

2(25) + 4 - 1

50 + 4 - 1

54 - 1

The final result is 53.