SSATSuite
Know Your Keywords — Math, Standard

Point 15Discriminant — one, two, or no solutions

What do we see?

2 solutions / 1 solution / 0 solutions; or 1 linear and 1 quadratic equation, for an SPR.

What do we understand?

Use the discriminant, not Desmos: b2 − 4ac > 0 gives two distinct real solutions, = 0 gives one, and < 0 gives none.

Question 1 of 3

x2 − 34x + c = 0

In the given equation, c is a constant. The equation has no real solutions if c > n. What is the least possible value of n?