Now, suppose one of the roots of the polynomial function is irrational. The roots of the function are 2,
-dn.net/?f=%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{3}" alt="\sqrt{3}" align="absmiddle" class="latex-formula">, and 5. Write the equation for this polynomial function.
Which of the following must also be a root of the function?
A) -2
B) -
C) -5
D)
Which of the following must also be a root of the function?
A) -2
B) -
C) -5
D)
2 answers:
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Answer:
The answer is a. 21.
Step-by-step explanation:
We solve this question by using Pythagoras theorem to relate the sides of a right angled triangle.
Here,
Hypotenuse of the given triangle(c)=75
Two sides of right angled triangle are:
a=72
b=?
Then,
for a given right angled triangle abc,
Using Pythagoras theorem,
Squaring on both sides,
or,
or,
or,
or,
∴
So, the value of b is obtained to 21 by the use of Pythagoras theorem.