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pantera1 [17]
3 years ago
14

Evaluate z^2−3z+4, when z = −4

Mathematics
2 answers:
Mashutka [201]3 years ago
5 0

Answer:

32

Step-by-step explanation:

(-4)^2 -3(-4) +4=16+12+4

=32

AVprozaik [17]3 years ago
5 0

\implies {\blue {\boxed {\boxed {\purple {\sf {32}}}}}}

\sf \bf {\boxed {\mathbb {STEP-BY-STEP\:\:EXPLANATION:}}}

{z}^{2}  - 3z + 4

Plugging "-4" for all values of "z", we have

=  ({ - 4})^{2}  - 3( - 4) + 4

= ( - 4 \times  - 4) + 12 + 4

= 16 + 12 + 4

= 32

\large\mathfrak{{\pmb{\underline{\red{Mystique35 }}{\red{❦}}}}}

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