Please help me on this question.

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

[tex]5 \times1 \frac{12}{13} [/tex] me