Зачет "Решение неравенств с одной переменной методом интервалов"

. Вариант1. 3х2−7х−6>0 х2−х−20≤0 4х2+11х−3≥0 х2+6х−16<0 х2−9х+14≥0 (−6х−1) (4−5х) (х+3)>0 (−5х−3) (−х−1) (6х+1)≥0 . Вариант 2. х2−7х+12<0 3х2−13х+4<0 4х2−9х−9≥0 х2−6х+5≤0 х2+х−6≥0 (х+2)(3х−2)(3х−1)≥0 (1−3х)(2−х)(6х−1)<0 . Вариант 3. х2−6х−16<0 х2−5х−14≥0 5х2+9х−2>0 4х2−11х−3≥0 х2−х−2>0 (4−х)(х+2) (3х+2)≥0 (2−х)(х−7) (4х+1)≥0 . Вариант 4. 4х2+9х−9≥0 3х2−5х−12<0 х2+х−2<0 3х2−14х+15≤0 х2+3х−4<0 (−4х−3) (х+7) (4х−1)≥0 −(−х−6)х(3х+2)≥0 . Вариант 5. х2−4х+3≥0 5х2−11х+2>0 х2+х−12<0 х2+5х−14≥0 3х2−13х+12<0 (−4х−3) (3−4х)(х−4)≤0 −(−6х−1)(−х−6)х<0 . Вариант 9. х2−3х−4<0 3х2−11х−4<0 х2−9х+20≤0 х2−10х+16<0 х2−2х−3≥0 (2−х)(х−5) (4х−1)<0 (−х−2)(1−х)(5х+2)≥0 . Вариант 6. х2−4х−12>0 х2−7х−18≤0 3х2−11х+6>0 5х2−9х−2>0 х2+4х−5≤0 (1−3х)(х−6)(5х−3)≥0 (3−2х)(7−х)(2х−1)>0 . Вариант 7. х2−х−12<0 х2−3х+2>0 3х2+4х−15≤0 х2−х−6≤0 3х2+7х−6>0 (−3х−2) (6−х)(4х+1)<0 −(3−2х)(2−х)х>0 . Вариант 8. х2−5х+4<0 х2+7х−18≤0 4х2−15х+9≥0 4х2−13х+3≥0 х2+2х−3≥0 (х+1)(4х−1)(6х−1)>0 (−4х−3) (−х−3) (4х−1)≥0 . Вариант 10. х2−11х+18≤0 3х2+11х−4<0 3х2+5х−12<0 2х2−9х−5≤0 2х2+9х−5≤0 (−5х−1) (−2х−1)(х+4)≤0 (3−2х)(2х−1)(4х+3)>0 . Вариант 11. 3х2−11х−4<0 2х2−9х−5≤0 4х2+11х−3≥0 х2+7х−18≤0 4х2−15х+9≥0 (х−3)(4х+1)(5х−3)≤0 (−3х−1) (5−х)(4х−3)≥0 . Вариант 12. х2−7х+12<0 х2−4х−12>0 3х2−14х+15≤0 х2−8х+12>0 х2+х−20≤0 (4−5х)(2−3х)(2−х)<0 (−х−2)(5−х)(2х+3)>0 . Вариант 13. 3х2+5х−12<0 х2+4х−5≤0 х2−5х−14<0 4х2−13х+3≥0 3х2−13х+12>0 (−5х−3) (1−4х) (4х+1)≥0 (−2х−3) (−х−3) (х−6)<0 . Вариант 14. 2х2+9х−5≤0 х2−4х−5≤0 х2+3х−4<0 х2−5х+4>0 3х2+4х−15≥0 (−2х−3)(3−2х)(х+5)>0 (1−4х)(−2х−1) (3х−2)>0 . Вариант 15. х2+х−6≥0 4х2+9х−9≥0 х2−4х+3≥0 х2−9х+20≤0 х2−3х−4<0 (4х−3)(4х−1) (6х−1)≥0 (2−3х) (−х−5)(х−6)>0 . Вариант 16. 3х2+11х−4<0 х2−9х+14≥0 3х2−11х+6>0 х2+х−12≥0 х2−6х−16<0 (3−2х)(4х−3)(5х+1)<0 (2−х)(2х−3)(5х−3)<0 . Вариант 17. х2−х−6<0 4х2−11х−3>0 х2−10х+16<0 5х2−9х−2>0 х2−х−2<0 (1−4х)(5−х)(4х−3)≥0 (−5х−1) (−2х−3)(−х−7)≥0 . Вариант 20. х2+6х−16<0 3х2−13х+4>0 х2−5х+6≥0 х2−11х+18≤0 2х2−11х+5<0 (−х+3)(1+4х) (−4х+1)<0 (2х−3)(х+3)(−х−6)≥0 . Вариант 18. х2+5х−14≥0 х2+х−2>0 х2−2х−3≥0 3х2+7х−6>0 5х2−11х+2<0 (−4х−1) (1−х)(6−х)≤0 (−5х+3)(1+3х)(2х−3)≤0 . Вариант 19. х2−6х+5≤0 4х2−9х−9>0 3х2−5х−12>0 х2−х−20≥0 5х2+9х−2<0 (5х−3) (1+4х)(4х−1)≥0 (2х−3)(−х+3)(х+6)>0