exam
Maths Puzzle
Numerical Ability
Could you please help me solve this system of equations by using A^-1?
x+5y+5z=-7
x+4y+5z=-5
x+5y+4z=-5
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exam Other Question
write an equation in slope-intercept form for the line that satisfies each set of conditions.
PASSES THROUGH (4,7), perpendicular to the line that passes through (3,6) and (3,15
Simplify the following:
a) (x+1)/(x-2) + (x-3)/(2x+10)
b) (x^2+2x-3)/(x^2+x-2) - (x^2+x-2)/(x^2+7x+10)