2. 3x(x+5)=0
a. quadratic
b. not quadratic
3. 12-4x=0
a. quadratic
b. not quadratic
4. (x+7)(x-7)=3x
a. quadratic
b. not quadratic
5.2x+(x+4)=(x-3)+(x-3)
a. quadratic
b. not quadratic
6. x(x+3)
a. quadratic
b. not quadratic
7. 2x(x+2)=0
a. quadratic
b. not quadratic
8. 2x(2x+3)=0
a. quadratic
b. not quadratic
9. 2x(x+2)=0
a. quadratic
b. not quadratic
10. 5x(x+3)=0
a. quadratic
b. not quadratic
Answers & Comments
Answer:
1a2b3a4a5a6a
Step-by-step explanation: