What does the multiplication principle tell you?
2 answers:
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As, synthetic division by -4 gives remainder 0. Hence, Option B is correct. -4 is a root of
As, x+4=0 gives x=-4.
So, option C is correct,
(x+4) is factor of
Option E is correct
Given:
m is directly proportional to the cube of h.
m = 525 when h= 5.
To find:
The equation connecting m and h.
Solution:
m is directly proportional to the cube of h.
...(i)
Where, k is the constant of proportionality.
Putting m = 525 and h= 5, we get
Putting k=105 in (i), we get
Therefore, the required equation is .