Whats bigger? -6 or -5????? PLZ HELP
2 answers:
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The remainder of f(x) = 7
Step-by-step explanation:
f(x) =
Here 2x - 1 is a factor.
We will apply Factor theorem ( states that if (x-a) is a factor of f(x) then f(a) is the remainder)
Putting x = 1/2 in f(x) we will get the remainder.
f(1/2) = 2(1/2)^3 -5(1/2)^2 +8(1/2) +4
=7
Given:
A number is q, multiply it by 2 and add 5.
You get the same answer as when you minus 2 from q.
To find:
The value of q.
Solution:
The algebraic representation of the statement "a number is q, multiply it by 2 and add 5" is
Multiply q by 2 = 2q
Multiply q by 2 and then add 5 : 2q + 5
So, the first result is 2q+5.
When you minus 2 from q = q-2
So, the second result is q-2.
According to the question, both results are equal. Equate both results to get the value of q.
Isolate variable terms.
Therefore, the value of q is -7.