What is the value of x? 03/25/2021 – by Mod_GuideK 0 If x2 + 16x = 161, and x > 0, what is the value of x? A. 3 B. 7 C. 11 D. 15 SHOW ANSWERSCorrect Answer: B Explanation/Reference: Explanation: Answer B is correct. Simply plug in numbers and solve. Download Printable PDF. VALID exam to help you PASS.