# Solution: Determine k so that the equation 4x^2 + kx + 1 = 0 will have just one real solution

Determine k so that the equation 4x^2 + kx + 1 = 0 will have just one real solution.

#### Problem Statement: EE Board October 1990

Determine k so that the equation 4x^2 + kx + 1 = 0 will have just one real solution.
• A. 3
• B. 4
• C. 5
• D. 6

The value of k is 4.

Solution:

### Latest Problem Solving in Quadratic Equation, Binomial Theorem and Logarithms

More Questions in: Quadratic Equation, Binomial Theorem and Logarithms

#### Search! Type it and Hit Enter

 We educate thousands of students a week in preparation for their licensure examinations. We provide professionals with materials for their lectures and practice exams. To help us go forward with the same spirit, contribution from your side will highly appreciated. Thank you in advance. Option 1 : \$5 USD Option 2 : \$10 USD Option 3 : \$15 USD Option 4 : \$20 USD Option 5 : \$25 USD Option 6 : \$50 USD Option 7 : \$100 USD Option 8 : Other Amount