6. 2x + 3 < x - 1 a. Identities b. conditional equation c. Conditional inequality d. Absolute inequalities 7. 3a - 5 + a= 6a + 5 - 2a a. Identities b. conditional equation c. Conditional inequality d. Absolute inequalities 8. x² + 1 > 0 a. Identities b. conditional equation c. Conditional inequality d. Absolute inequalities 9. 2x - 1 ≥ 5 a. Identities b. conditional equation c. Conditional inequality d. Absolute inequalities 10. -2x² ≤ 0 a. Identities b. conditional equation c. Conditional inequality d. Absolute inequalities