Evaluate: 5x2 – 2 (y + 1) + 9 when x = 2 and y = 1.

asked Sep 10, 2022 89.6k views

8 votes

Evaluate:
5x2 – 2 (y + 1) + 9 when x = 2 and y = 1.

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11 votes

25

5x^2-2(y+1)+9
5(2)^2-2(1+1)+9
5(4)-2(2)+9
20-4+9
16+9
25

Baahubali answered Sep 11, 2022

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9 votes

Answer:

Explanation:

5x^(2) - 2 ( y + 1)+9 = 5*2^(2) - 2(1 + 1) + 9 = 5 *4 - 4 +9 = 20 - 4 + 9 = 20 + 5 =25

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