exam
Maths Puzzle
Numerical Ability
x+2y-z=7
x+z=-1
2x-1y-1z=-2
What do all the variables equal?
2x-3y-1z=7
-1x+2y-5z=6
5x+-1y-1z=-5
What do all the variables equal?
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exam Other Question
These worded problems are killing me. Please assist me in making this a quadratic equation. Thank you.
It states:
Find the radius of a 12 cm high cylinder that has a surface area of 846cm^2.
Thank you so very much.
Use the factor theorem to decide whether the second polynomial is a factor of the first.
2x3 - x2 + 3x + 4; x + 1