exam
Maths Puzzle
Numerical Ability
decide whether lines p1 and p2 are perpendicular:
line p1:x+8y=-4
line p2:4x-2y=10
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exam Other Question
How many positive real solutions are there in:
f(x) = -2x^4 + 3x^3 + 7x^2 + 2
a. 0
b. 2
c. 1
d. None, there is no x-term
It has been along time since I dealt with these. But I need your help.
Find the additive and multiplicative inverses of each of the following:
a) 3
b) -2/3
c) 2.5 X 10^-3