Answer:
a.) yes
b.) no
c.) yes
d.) yes
Step-by-step explanation:
ANSWER.
The correct answer is Option A
EXPLANATION.
The real number
to 9 decimal places.
You can see that the decimals are not repeating, neither will they terminate.
Therefore the real number 
is irrational because, the decimal does not terminate or repeat
Also note that,
.
That is,
is a product of two irrational numbers, which still gives an irrational number.
Answer: x = 4; x = 5
Step-by-step explanation:
The directions specify to solve by factoring
x^2 - 9x + 20 = 0
To factor, find two numbers that add to -9 and multiply to 20
-5 and -4 work
-5 + (-4) = -9
-5 * -4 = 20
(x - 4)(x - 5) = 0
x = 4, x =5
