Illustrating Quadratic Equations

Is this a quadratic equation:

 $2x^2-4x=0$  

• Yes

• No

Is this a quadratic equation:

 $3=-9x+10$  

• Yes

• No

Is this a quadratic equation:

 $9x^2-x+7=9x^2-10x+6$  

• Yes

• No

Is this a quadratic equation:

 $-6x^2=10x$  

• Yes

• No

Is this a quadratic Equation:

 $\frac{x-4}{6}=\frac{7x+3}{4}$  

• Yes

• No

Is this a quadratic equation:

 $\left(x-4\right)\left(2x+1\right)=0$  

• Yes

• No

Which of the following are already in standard form?

• $-2x-3=-10x^2-3$

• $2x^2-9x+12=0$

• $-7x^2-5x-8=0$

• $2x^2+3x-6$

• $\frac{3}{5}x^2-7=0$

What is the value of a,b and c in the standard form of

 $-6x^2=10x$  . Separate your answer with comma. Do not put spaces

What is the value of a,b and c in the standard for of

 $\left(2x+1\right)\left(x-3\right)=5$  . Separate your answers with comma. Do not put spaces.

What is the value of a, b and c in the standard for of

 $5x^2-6x+3=2x^2-6x+7$  . Separate your answer with comma. Do not put spaces