SAT Math Practice Question #35421 - SATify | SATify
#35421
completing the square
quadratic equations
equations
easy
45 sec
One solution to the equation x2−4x−1=0 can be written as 2+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.
