book Maths Puzzle Numerical Ability

FIND THE SLOPE OF THE LINE THROUGH ((((4,-1) AND (-2, -8)))

Read Solution (Total 0)

book Other Question

Dealing with contradictions: If a, b, and c are nonzero real numbers such that a>0 and the equation ax^2+bx+c has no real solutions, then show that ax^2+bx+c<0 cannot be true for all values of x. Find a6 for an=8(1/2)^n, n=1,2,3,4,... I have no idea how to do this problem. Please help me.