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Quadratic equation and nature of roots

ForfatterChristine Ho

What can you say about the roots of the following quadratic equation?

Sæt kryds ved dit svar

A
The roots are not real
B
The roots are real
C
The roots are rational
D
The roots are irrational
E
The roots are equal
F
The roots are not equal

Tjek mine svar (3)

Sæt kryds ved dit svar

A
The roots are not real
B
The roots are real
C
The roots are rational
D
The roots are irrational
E
The two roots are unequal
F
The two roots are equal

Tjek mine svar (3)

Sæt kryds ved dit svar

A
The roots are not real
B
The roots are real
C
The roots are rational
D
The roots are irrational
E
The two roots are unequal
F
The two roots are equal

Tjek mine svar (3)

Sæt kryds ved dit svar

A
The roots are not real
B
The roots are real
C
The roots are rational
D
The roots are irrational
E
The two roots are unequal
F
The two roots are equal

Tjek mine svar (3)

Can you construct a quadratic equation with integral coefficient whose roots are irrational and repeated?

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