exam Maths Puzzle Numerical Ability

When solving the following system of equations by the Gaussian elimination method,

x-3y-2z +5
2x-y +3z =15
4x-4y+9z =40

which of the following is NOT a matrix leading t

Read Solution (Total 0)

exam Other Question

find m and b from y=mx+b from time spent studying to sat scores let time equal days 0,3,5,10,4,8,2,20 this is x sat scores are y 800,950,900,1200,850,1300,750,1500 and predict the the length of a rectangular field is 75yd.This is 3yd more than twice the width.how wide is the field??