When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
If a = 4 and y = -2, what is the value of 8a(a - y)?
| -36 | |
| 80 | |
| 400 | |
| 192 |