Between two rational numbers there are an infinite number of irrational numbers.
Example:
Answer:
3 (-4,3)
Step-by-step explanation:
4x^2+4x-8=0
X^2+x-2=0
(X+2)(x-1)=0
X= -2 or 1
Answer:
-7
Step-by-step explanation:
let the first term be a
thus, a=56
common difference d= U2-U1 = 49-56= -7