determinant: 
(a) 
D<0 means there are no real roots. there are two complex roots with imaginary components.
(b) D=16+20=36>0
D>0 means there are two real roots
(c) D = 20^2-4*4*25 = 0
D=0 means there is one real root with multiplicity 2
Answer:
it equals 89/90
Step-by-step explanation:
the gcf of 89, 90 is 1, so the fraction can not be simplified. The answer is 89/90.
Answer:
work it out it is so easy
Step-by-step explanation:
20 - 7 = 13
8 - 13 = 5
13 + 5 = 18
20 - 18 = 2
So two is your answer because.....
13 + 5 + 2 = 20
Answer:
9
Step-by-step explanation:
The range of a data set is the largest number minus the smallest number. so it would be 9-0= 9
hope this helps!!
btw if somebody could please answer my recent question i would really appreciate it!!