SAT Math Practice Question #15640 - SATify | SATify
#15640
equations
quadratic equations
hard
120 sec
The equation 2x2+4x−1=0 has two real solutions. One of these solutions can be expressed in the form 4−4+k, where k is a constant. What is the value of k?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
