NZ Level 8 (NZC) Level 3 (NCEA) [In development]

Solve applications involving cubic functions

Consider the function $f\left(x\right)=x^3-7x^2+4x+12$`f`(`x`)=`x`3−7`x`2+4`x`+12.

a

Is $6$6 a zero of the function?

Yes

A

No

B

Yes

A

No

B

b

Is $-1$−1 a zero of the function?

Yes

A

No

B

Yes

A

No

B

c

Is $3$3 a zero of the function?

Yes

A

No

B

Yes

A

No

B

Easy

Approx a minute

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Form and use trigonometric, polynomial, and other non-linear equations

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