Is 11.5 rational or irrational
2 answers:
Answer:
11.5 is a rational number
Step-by-step explanation:
First let's see the definition of rational and irrational.
Rational number is a number that can be written in the form of , where q≠0.
There rational numbers have the terminating or non terminating decimals with repeating the pattern.
For example:
You can see that 3 is repeating non terminating decimals.
Irrational number is a number with non repeating decimals.
For example:
The given number is 11.5 which is terminating decimal number.
Therefore, 11.5 is a rational number.
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Answer:
Step-by-step explanation:
f(x) = (x - 2)(x - 5)x(x+ 7)
f(x) = (x^2 - 7x + 10)*x * (x + 7)
f(x) = x(x^3 - 39x + 70)
f(x) = x^4 - 39x^2 + 70x
To show that this is correct, I've made a graph with these points labeled. The graph is just around the x axis. The local maximums and minimums are just too large a value.
