SAT Math Practice Question #15654 - SATify | SATify
#15654
equations
systems
quadratic equations
hard
120 sec
In the xy-plane, a line with equation y=−5 intersects a parabola with equation y=2x2+bx−3 at exactly one point. If b is a positive constant, what is the value of b?
• 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.