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For what positive value of k will the expression 9x²+kx+25 factor (September 2023 - G01)

For what positive value of k will the expression 9x² + kx + 25 factor into the form (ax+b)² for some real number a and some real number b ?

Alternatives

F. 30
G. 16
H. 15
J. 8
K. 2

Solution

Correct answer: F. 30.

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Exam Edition: September 2023 - G01

Exam Year: 2023

Related topics: Factoring Quadratic Expressions, Quadratic Equations and Polynomials