Answer: m = 7 or -2
Step-by-step explanation:
Quadratic Formula!
Polynomial Form:
So in this example a: 1 b: -5 c: -14
You get:
m = 7 or -2
Check by plugging a value back in for m
True for both.
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2 answers:
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Answer: The area, in square feet, of the piece of wood is .
Step-by-step explanation:
Give: Length = 8 feet
Width = = 4 feet
As piece of wood is similar to that of a rectangle. Hence, formula to calculate area is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that the area, in square feet, of the piece of wood is .
Answer:
196
Step-by-step explanation:
The discriminant (Δ) is given by:
Where the polynomial is in the form:
In this problem, a = 1, b = 0, and c = -49. Thus, plugging it into the formula:
Thus, the discriminant of x² – 49 = 0 is 196.