Register
For what values of k is 9x^2+k+16 a perfect square?
200k views
3 votes
For what values of k is 9x^2+k+16 a perfect square?

User Jsmedmar
by
4.4k points

1 Answer

3 votes

Answer:

24x

Explanation:

a² ± 2ab + b² = (a ± b)²

(3x)² + k + 4² = (3x)² + 2(3x)(4) + 4²

k = 24x

User Mrvol
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.1m questions

6.7m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!