SAT Math Practice Question #20766 - SATify | SATify
#20766
equations
quadratic equations
easy
60 sec
Calculator OK
What is a solution to the given equation? (k−1)(k+1)+20=20
• 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.
