Illustrate Quadratic Equation

An equation in one variable that is a mathematical sentence of degree 2 that can be written in the standard form  $ax^2+bx+c=0,$ where a, b, and c are real numbers and  $a\ne0.$  

• Cubic Equation

• Linear Equation

• Quadratic Equation

• Quartic Equation

Which of the following equations are quadratic?

• $3m+8=15$

• $12-4x=0$

• $\frac{1}{2}\left(h-6\right)=0$

• $25-r^2=4r$

Which of the following quadratic equations written in standard form?

• $x^2-5x+10=0$

• $2t^2-7t=12$

• $6-2x+3x^2=0$

• $25-r^2=4r$

The highest exponent of a quadratic equation is

• 1

• 2

• 3

• 4

 In the quadratic equation $3x^2-6x-10=0,$  $3x^2$  is the ___________________ ?

• constant term

• linear term

• quadratic term

• coefficient

 In the quadratic equation $x^2-36\ =\ 0,$ what is the value of b?

• 1

• 0

• -36

• 2

 In the quadratic equation $x^2-36\ =\ 0,$ -36 is the _______________?

• constant term

• linear term

• quadratic term

• coefficient

Write $\left(x\ +\ 1\right)\left(x\ -3\right)\ =\ 0$  in standard form

•  $x^2\ -\ 2x\ +\ 3\ =\ 0$  

•  $x^2\ +\ 2x\ +\ 3\ =\ 0$  

•  $x^2\ -\ 2x\ -\ 3\ =\ 0$  

• none of the above

What is the constant term if $\left(x\ +\ 1\right)\left(x\ -3\right)\ =\ 0$ is written in quadratic equation?

•  $3$ 

•  $-3$  

•  $2$  

•  $-2$  
  

What is the linear term if $\left(x\ +\ 1\right)\left(x\ -3\right)\ =\ 0$ is written in quadratic equation?

•  $3$ 

•  $-3$  

•  $2$  

•  $-2$