You know if it's not reducible when there isn't any way to factor it using the grouping method. However, you should try to use the quadratic formula to find the roots after attempting to factor. If it still doesn't have any roots, that means the quadratic's vertex is either above or below the x-axis and is facing the other way. (meaning that it never touches the X-Axis)<span />
Answer:
0.5/0.125 = 4 . . . . . 1 dp divided by 3 dp
What you're doing is the same as looking at a triangle that has already been drawn. What you have so far is correct and you are doing it right. Your final step is to square the 3 and the 8 so that you get 9+64=c squared. 64 + 9 is 73, and the square root of 73 is 8.53.
Answer:
5 < x
It's x because we don't know the number
May I have brainliest please? :)
.42 would be your answer.