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 = -9 and z = 9, what is the value of -8a(a - z)?
| -1296 | |
| 192 | |
| 546 | |
| 100 |