Answer:
so the factors of x²+3x-4 are (x-1)(x+4
Step-by-step explanation:
Let x²+3x-4=0
by using sum and product rule
x²+4x-1x-4=0
Taking common
x(x+4)-1(x+4)=0
(x-1)(x+4)=0
i hope this will help you :)
Answer:
x=2
Step-by-step explanation:
Answer:
$14
Step-by-step explanation:
3.50/2= 1.75
1.75*8= 14
True.
If the standard deviation value is larger, it means the data points are further away from the mean - which indicates that the data in the set are more variable.