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If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

What is the solution to the system of equations: 2x + 3y = 6 and 4x - y = 5?

A. (1, 2)
Posted in:  Linear Equations -  Algebra -  Mathematics

If the lines represented by the equations 3x - 2y = 4 and 6x - 4y = 8 are graphed, what can be concluded about their relationship?

C. THEY ARE THE SAME LINE.
Posted in:  Linear Equations -  Algebra -  Mathematics

A practical problem states that a car travels 60 km/h and a truck travels 40 km/h. If they start from the same point and travel in opposite directions, how far apart will they be after 2 hours?

B. 120 KM
Posted in:  Linear Equations -  Algebra -  Mathematics

If a train travels at a speed of 90 km/h and takes 4 hours to reach its destination, what is the distance covered by the train?

A. 360 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics