animck2187 animck2187

15-02-2024
Mathematics

contestada

Evaluate the expression 3x2+4−y for x=2 and y=−1

Respuesta :

jimrgrant1 jimrgrant1

15-02-2024

Answer:

17

Step-by-step explanation:

given the expression

3x² + 4 - y ( substitute x = 2, y = - 1 into the expression )

= 3(2)² + 4 - (- 1)

= 3(4) + 4 + 1

= 12 + 4 + 1

= 17

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