Answer:
-4.3, -3.4, -0.43, -0.34, -0.043
Answer:
= 25x² - 40x + 16
Step-by-step explanation:
(5x - 4)²
= (5x - 4) (5x - 4)
= 25x² - 20x - 20x + 16
= 25x² - 40x + 16
Hope this helps :)
Let me know if there are any mistakes!!
Answer:
r=3
Step-by-step explanation:
- The equation of a circumference is
. - Then , in this case
, and then to know the value of r we just simply have to calculate the square root of 9, which is 3.
You get extraneous solutions anytime the radical becomes undefined under the set of real numbers. for example

does not exsist since the radical cannot be used on a negative number
Answer:
Step-by-step explanation:
C