Expand and factor polynomial expressions practice questions | Mathematical Methods (Year 12, VCE Units 3 & 4, Logarithmic calculus, Reciprocal and linear-reciprocal antiderivatives)

(a)1 mark

Choose the only expanded expression equivalent to the given form

-z^{2} - 2

z^{2}

-z^{2} + 2z

-z^{2} - 2z

(b)2 marks

Complete the missing exact entries in the target form

Coefficient of \(z\) Coefficient of \(z^{2}\)

(c)1 mark

Evaluate the expression exactly when \(z=\frac{1}{2}\)

Expression value