book Maths Puzzle Numerical Ability

4x^2 + 3x -2=0

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book Other Question

If I travel 3m per hour to the store and 5m per hour back home and the total traveling time was one hour, how far would I travel?

Here's what we did:
x/3 + x/5 = 1
15(x/3 + Write an eqation in slope intercept form of the line that passes through the points (-6,-5) and (1,4)