exam
Maths Puzzle
Numerical Ability
WHY IS VARIABLES USEFUL IN ALGEBRA
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exam Other Question
The following matrix is obtained from the augmented matrix of a system of equations.
1 0 3 20
0 1 2 -2
0 0 1 4
What is the solution to the system is?
Can you please help me with this? I have no idea how to work these.
(3x squared - 7x + 5)+(-2x squared + 7x - 8)
(5y squared - 3y + 4)-(3y squared - 7y + 2)