Algebra 2: Solving Quadratic Inequalities

What is the solution set for

 $x^2-2x-3>0$  ?

•  $x<-1\ or\ x>3$  

•  $-1<x<3$  

•  $x<-3\ or\ x>1$  

•  $-3<x<1$  

What is the solution set for

 $x^2+6x+5<0$  ?

•  $x<-1\ or\ x>5$  

•  $-1<x<5$  

•  $x<-5\ or\ x>-1$  

•  $-5<x<-1$  

What is the solution set for

 $x^2-8x+12\ge0$  ?

•  $x\le-6\ or\ x\ge-2$  

•  $-6\le x\le-2$  

•  $x\le2\ or\ x\ge6$  

•  $2\le x\le6$  

What is the solution set for

 $x^2-3x-4\le\ 0$  ?

•  $x\le-1\ or\ x\ge4$  

•  $-1\le x\le4$  

•  $x\le-4\ or\ x\ge1$  

•  $-4\le x\le1$  

What is the solution set for

 $x^2+3x-10>\ 0$  ?

•  $x<-5\ or\ x>2$  

•  $-2<x<5$  

•  $x<-2\ or\ x>5$  

•  $-5<x<2$  

Is the coordinate (3, 1) part of the solution set for

 $y<x^2+2x-1$  ?

• Yes

• No

Is the coordinate (-1, 5) part of the solution set for

 $y\le-x^2-5x-1$  ?

• Yes

• No

Is the coordinate (4, 0) part of the solution set for

 $y\ge x^2-x-12$  ?

• Yes

• No