determine how many real roots solution the following quadratic equations have on the blank before the number, write 2RR if the question has two real roots, 1RR if the equation has one real root and NRR the equation has no real roots

_____1. x² +9=0
_____2. 2x² - 18 = 0
_____3. x² +7=7
_____4. x² - 169 = 0
_____5. -x² = -144
_____6. 3x² - 147 = 0
_____7. (x - 2)² = 36
_____8. (2x - 1)² = 225
_____9. (x + 7)² = -49
_____10.0 = x²​