check the discriminant
#1: b^2-4ac < 0, so no solutions
#2: b^2-4ac = 0, so one solution
How many real number solutions does the equation have?
y=-4x^2+7x-8
A. no solutions
B. one solution
C. two solutions
D. infinitely many solutions
I think it is C..?
How many real number solutions does the equation have?
y=2x^2-20x+50
A. no solutions
B. one solution
C. two solutions
D. infinitely many solutions
I think it is B..?
2 answers
Thank you