Question

Evaluate 4k2 + 3 when k = 5

Answer 1

Answer:

103

Step-by-step explanation:

Evaluate 4k2 + 3

To evaluate 4k² + 3, when k = 5, which means when you sees k, put 5 in replacement

4k² + 3 = 4(5)² + 3

4(5×5) + 3

4(25) + 3

open the bracket

4 × 25 = 100

∴ 100 + 3 = 103

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Answer 2

$\text{Hey there!}$

$\text{If k = 5 the replace the 'k' value with 5}$

$\text{4(5)}^2+3$

$\text{(5)}^2=5\times5=25$

$\text{4 (25)+ 3 = ?}$

$\text{4 (25) = 25 + 25 + 25 + 25 = 100}$

$\text{100 + 3 = 103}$

$\boxed{\boxed{\bf{Your\ answer: 103}}}\checkmark$

$\text{Good luck on your assignment and enjoy your day!}$

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