Evaluate the expression 5b−ac when a = −4, b =2, and c=0.5
To evaluate the expression 5b - ac when a = -4, b = 2, and c = 0.5, we substitute the values into the expression:
5b - ac
= 5(2) - (-4)(0.5)
= 10 + 2
= 12
Therefore, when a = -4, b = 2, and c = 0.5, the expression 5b - ac evaluates to 12.