Determine all the zeros of y(x)=x3.

x=3

y(x) has no zeros.

x=3

x=0

Determine all the zeros of y(x)=x3.

Antwoord 1 correct
Correct
Antwoord 2 optie

x=0

Antwoord 2 correct
Fout
Antwoord 3 optie

x=3

Antwoord 3 correct
Fout
Antwoord 4 optie

x=3

Antwoord 4 correct
Fout
Antwoord 1 optie

y(x) has no zeros.

Antwoord 1 feedback

Correct: A negative integer power function has no zeros.

Go on.

Antwoord 2 feedback

Wrong: $ is not part of the domain of this function.
 

Dee: Extra explanation.

Antwoord 3 feedback

Wrong: y(3)=33=1270.

See Extra explanation.

Antwoord 4 feedback

Wrong: y(3)=33=1270.

See Extra explanation.