Question

Question

Evaluate the expression when k = 3 and j = 10.

(5k−j)2+2k

Responses

80
80

45
45

31
31

20

Answer 1

• 31

Explanation:

Given

• Expression (5k − j)² + 2k

Evaluate

• When k = 3, j = 10

Solution

Substitute and calculate:

• (5k − j)² + 2k =
• (5*3 - 10)² + 2*3 =
• (15 - 10)² + 6 =
• 5² + 6 =
• 25 + 6 =
• 31