SAT Math Practice Question #20770 - SATify | SATify
#20770
equations
quadratic equations
hard
180 sec
Calculator OK
In the given equation, k is a constant. The equation 4x2−28x+k=0 has exactly one solution. 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.