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 = -1 and y = 2, what is the value of -5a(a - y)?
| -15 | |
| 126 | |
| 210 | |
| 567 |