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1 vote
Evaluate z^2−3 z+4 , when z=−4

User Kwarrtz
by
4.2k points

2 Answers

2 votes
It should be -19

I got the answer by plugging it into Desmos scientific calculator.
User Matthijs Wessels
by
4.6k points
5 votes

Answer:

8

Explanation:

=z²-3z+4 when z is 4

=4²-3(4)+4

=16-12+4

=8

User Zeth
by
4.3k points