Math 9 Summative Test

What is the degree of a quadratic equation?

• 4

• 3

• 2

• 1

Which of the following equation whose degree is 1?

• linear equation

• inverse equation

• quadratic equation

• one equation

What is the standard form of a quadratic equation? 

• $ax^2+bx\ +\ c\ =0$

• $ax^3+bx+c=0$

• $ax^2=bx+c$

• $bx^2+cx+a=0$

What is the value of c in the equation

 $x^2-2x=0$  ? 

• 0

• 1

• 2

• -2

What is the value of b in the equation

 $\left(x\ -\ 4\right)\left(x-1\right)=3$  ? 

• 5

• -5

• -4

• 3

What is the solution set of

 $\left(x-2\right)^2=6$  ? 

•  $2\pm\sqrt{3}$  

•  $\pm2\sqrt{6}$  

•  $2\pm\sqrt{6}$  

•  $\pm2\sqrt{3}$  

What is the solution set of

 $3x^2=12$  ? 

•  $\pm3$  

•  $\pm\sqrt{6}$  

•  $\pm\sqrt{12}$  

•  $\pm2$  

What is the solution set of

 $3x^2=75$  ? 

•  $\pm\frac{5}{3}$  

•  $\pm5$  

•  $\pm3$  

•  $\pm\frac{3}{5}$  

Which equation has  $\pm2$    as its solution set? 

• 
  

   $x^2=9$  
  

•  $x^2-4=0$  

•  $x^2=6$  

•  $x^2+8=0$  

All of the following equations have  $\pm4$    as their solution set except one. Which is it? 

•  $x^2=16$  

•  $4x^2=64$  

•  $x^2+16=0$  

•  $2x^2-32=0$