Please help me in maths
1 answer:
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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
