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The equation of line L1 is y=3x-5. The equation of line L2 is 2y-6x+5=0. Show that these two lines are parallel.

To answer this question, you should make use of the general equation of a straight line: y=mx+c.For two lines to be parallel, they must have the same gradient (i.e. the same coefficient of x- which in the...

GJ
Answered by Gurvinder J. Maths tutor
4888 Views

What is the difference between the mode, median and mean?

All three are types of averages that we can calculate.1, 1, 4, 6, 8, 12, 17
We can calculate the mode by looking at which number is the most frequently occurring number, for example, with the above d...

JY
Answered by Jemma Y. Maths tutor
2976 Views

Expand and simplify (x+5)(x+7)

Front - Outer -Inner -Last (FOIL)
x X x = x^2x X 7 = 7x 5 X x = 5x5 X 7 = 35
7x + 5x = 12x
x^2 + 12x + 35

EM
Answered by Ellie M. Maths tutor
11279 Views

find the derivative of f(x) = x^3 + 2x^2 - 5x - 6. Find all stationary points of the function.

Calculate the derivative using the standard rules, in particular (xn)' = nxn-1.f(x)' = 3x2 + 4x - 5Stationary points are...

GM
Answered by Gustas M. Maths tutor
4466 Views

Show how you can rewrite (x+1)(x-2)(x+3) into the form of ax^3 + bx^2 + cx + d

Split the first equation into three parts, i.e. (x+1), (x-2) and (x+3). Multiply the first two parts to get x2- x - 2, then multiply the resul...

GM
Answered by Gustas M. Maths tutor
3568 Views

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