exam
Maths Puzzle
Numerical Ability
Solve by graphing.Tell wheter system is independent,inconsistent,or dependent.
2x- 3y = 12
3y - 2x = - 12
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exam Other Question
Two trains leave the same station heading in opposite directions, each at 10 miles per hour. After 1/2 hour they each turn left and continue on at 5 miles per hour for 2 hours. At that point how far apart are they?
Solve by completeing the square.
x squared - 6x -3 = 0
2x squared + 10x + 11 = 0