exam
Maths Puzzle
Numerical Ability
the sum of k and 20
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exam Other Question
Solve the system & identify it as consistent, inconsistent or dependent.
{ 4x+y=8
4x+5y=-8 }
a) (3,-4); consistent/dependent
b) {(3,-4) l 4x+y=8}; consistent/dependent
c) 0; inconsistent
d) (3,-4); consistent/independent
use quadratic formula to solve equation
0=x^2+x-20