I think that the answer is B
Answer:
a) 
b) 25
Step-by-step explanation:
a) The quadratic formula is
.
The portion under the radical sign (
) is called the discriminant or determinant.
It tells us that, the quadratic equation can be solved by factoring, if its value is a perfect square.
b) The given quadratic equation is
.
By comparing to
, we have a=2, b=7, and c=3
We substitute these values to get:



Answer:
Y=-9
W=9
Step-by-step explanation:
2y/6+3=0
-3=-3
6/1 *2y/6=-3*6/1
2y=-18
2y/2=-18/2
Y=-9
The rest of the work is in the pic
Step-by-step explanation:
A) 45
B) 6
C) 6.7082039326
Answer:
Table D
Step-by-step explanation:
you have to solve .3x = 1.5. this equals 5....since 5 is doubled to 10 you have to double 1.5 to 3.0