SAT Math Practice Question #38519 - SATify | SATify
#38519
equations
functions
hard
90 sec
The function k is defined by k(x)=2x2−7. If k(x)=43, what is the positive value of x?
• 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.
