Test: Polynomial - Ambitious

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Question 1:   Solve by factoring: x 2 +11x+18=0
x=2,x=6
x=11,x=18
x=2,x=9
x=3,x=6
Question 2:   Solve by factoring: 5 x 2 26x+24=0
x=4 , x=1 1 5
x=6 , x=20
x=4 , x=5
x=3 , x= 3 4
Question 3:   Solve: 4 x 2 5x6=0
x=2,x= 2 7
x=1,x=2
x=1 2 3 ,x= 4 5
x=2,x= 3 4
Question 4:   Solve: x 2 +2x+1=0
{ x 1 =-1 x 2 =-1
{ x 1 =1 x 2 =-2
{ x 1 =-1 x 2 =1
Doesn’t exist
Question 5:   Solve: 6 x 2 +9x+2=0
{ x 1 =-1.7365 x 2 =0.1143
{ x 1 =-1.2287 x 2 =-0.2713
{ x 1 =-1 x 2 =1
{ x 1 =2.0284 x 2 =-1.6592
Question 6:   Solve: 8 x 2 +5x6=0
{ x 1 =2.1632 x 2 =0.9081
{ x 1 =-1.2332 x 2 =0.6082
{ x 1 =0.0331 x 2 =0.88
{ x 1 =0.9821 x 2 =0.1231
Question 7:   Solve: 6 x 2 15x+7=0
{ x 1 =0.098 x 2 =1.17
{ x 1 =0.027 x 2 =0.656
{ x 1 =0.6208 x 2 =1.8792
{ x 1 =0.32 x 2 =1.51
Question 8:   Solve: 9 x 2 +11x4=0
{ x 1 =-1.9725 x 2 =0.6262
{ x 1 =1.6362 x 2 =0.3626
{ x 1 =1.2862 x 2 =1.0937
{ x 1 =-1.5155 x 2 =0.2933
Question 9:   Solve: 5 x 3 +14 x 2 +7x2=0
{ x 1 =-1 x 2 =2 x 3 = 1 5
{ x 1 =2 1 2 x 2 =1 x 3 = 2 7
{ x 1 =1 2 3 x 2 =1 3 4 x 3 =2 1 8
{ x 1 =1 x 2 =2 x 3 =3
Question 10:   Solve: 2 x 4 +14 x 3 +33 x 2 +31x+10=0
{ x 1 =-3 x 2 =2 x 3 =1 x 4 =2
{ x 1 =3 1 5 x 2 =2 2 3 x 3 =3 x 4 =3 2 5
{ x 1 =-1 x 2 =1.0646 x 3 =2 x 4 =2.9354
{ x 1 =-2.6713 x 2 =1.0646 x 3 =0.9361 x 4 =1.3772