Question

identify which of the following equations are quadratic and which are not.
1. 2 (x²+6) =0
2. 3s (s-2) =3
3. 3 (w+5) =0
4. (x+8) (x-3) =2
5. (3t-1) (t+4) =5
6. (x+3) (x+3) =-10
7. 6 (3r-4) =5
8. (2-5m)² =3
9. (3h+8) (3h-8)
10. (7-2x) (7+2x) =6
11. 3 (2t²-7) =3t
12. c+5 =3c
13. 4 (5+2b) =-9
14. (2b-5) (2b+5) =0
15. (6+3x) (6-3x) =-20​

Answer 1

Answer:

quadratic equations are

1,4,6,7,9,10,13,14,15 and other are none quadratic equation

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