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If 3y-1=2y+4 then what does y=?

3y-1=2y+4To find out what "y=" we need to get all the y values on one side of the equation, and the other numbers on the other side of the equation. We can do this by simply adding or subtractin...

Answered by Hugo H. • Maths tutor

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prove that any odd number squared is one more than a multiple of four.

any odd number can be written as (2n+1), where n is any integer (whole number). Squaring any odd number is therefore= (2n+1)² . expanding the brackets gives =4n²+2n+2n+1² ...

Answered by Harry J. • Maths tutor

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how do you know if two straight lines on a graph are parallel or perpendicular?

On a straight line graph, the lines are formed by an equation in the form y=mx + c. The m value in this equation represents the gradient, and the c value is the y-intersect.If t...

Answered by Annie T. • Maths tutor

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For the function f(x) = 4x^3 -3x^2 - 6x, find a) All points where df/dx = 0 and b) State if these points are maximum or minimum points.

Part a) requires you to find df/dx for the given function. To do this, we differentiate the function once, which is done by multiplying the power of each 'part' with the part itself and subtracting 1 from...

Answered by Martin M. • Maths tutor

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