# GMAT Maths | Quadratic Equations

###### GMAT Sample Questions | Algebra & Number Properties Practice

This GMAT sample question is a quant problem solving practice question in quadratic equations. It tests your understanding of sum and product of roots of quadratic equations. Interestingly, it also ties in an important number property concept of expressing a number as a product of two of its factors. A 700 level GMAT maths question in number properties and quadratic equations.

Question 10: y = x2 + bx + 256 cuts the x axis at (h, 0) and (k, 0). If h and k are integers, what is the least value of b?

1. -32
2. -256
3. -255
4. -257
5. 0