Quiz about Quadratic Inequality Review

Question 1

Question 1.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 2

Solve the quadratic inequality $$\left(x-1\right)\left(x+1\right)>0$$

Accepted Answer

$$x<-1\ or\ x>1$$

Answer

$$-1<x<1$$

Answer

$$x<-1\ and\ x>1$$

Answer

$$-1>x>1$$

Question 3

Question 3.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 4

Solve the quadratic inequality $$-\left(x-1\right)\left(x+1\right)>0$$

Accepted Answer

$$-1<x<1$$

Answer

$$x<1$$

Answer

$$1<x<-1$$

Answer

$$x<-1\ or\ x>1$$

Question 5

Question 5.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 6

Question 6.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 7

Find the solution of $$\left(x+2\right)\left(x+3\right)\le0$$

Accepted Answer

$$-3\le x\le-2$$

Answer

$$x\le3\ or\ x\ge-2$$

Answer

$$-2\le x\le-3$$

Answer

$$x\ge-3\ or\ x\le-2$$

Question 8

Find the solution of $$\left(3-x\right)\left(1+x\right)\le0$$

Accepted Answer

$$x\le-1\ or\ x\ge3$$

Answer

$$-1\ge x\ge3$$

Answer

$$x\le3\ or\ x\ge-1$$

Answer

$$-1\le x\le3$$

Question 9

Find the solution for $$x^2+3x+5>0$$

Accepted Answer

any real number x

Answer

$$x>-1.5$$

Answer

$$x<0$$

Answer

$$x<1.5$$

Question 10

Question 10.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 11

Solve the quadratic inequality $$x^2-2x-8<0$$

Accepted Answer

$$-2<x<4$$

Answer

$$x<-2\ or\ x>4$$

Answer

$$x<-4\ or\ x>2$$

Answer

$$-4<x<2$$

Question 12

Solve the quadratic inequality $$x^2+11x+30>0$$

Accepted Answer

$$x<-6\ or\ x>-5$$

Answer

$$-6<x<-5$$

Answer

$$5<x<6$$

Answer

$$x<5\ or\ x>6$$

Quadratic Inequality Review

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