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y = mx + c m is the gradient and c is the y-interceptUse values for A, x=5 y=9 and m=3so 9 = (3 x 5) + c 9 = 15 + c c = -6Then use coordinates for B, x=d y=15 and m=3so 15 = (3 x d) -6 15 = 3d - 6 21 = 3d...

The probability is the likelihood of an event occurring.In this case, 1 pen is being taken out of a bag of; 7 blue pens, 4 green pens and 6 red pens. This means 1 out of 17 (7+4+6) pens will be taken.We a...

First, flip the whole fraction so it becomes the (y^8/256x^20)^0.25. This is because there is a negative power, which flips the whole fraction. Secondly, you would solve each element of the fraction indiv...

Firstly it is easier to think of the power (3/4) as two separate parts. The first part being 3/1 (which is the same as cubing a number) and the second part being 1/4 (which is the same as the quartic roo...

know to differentiate to find the gradient of the tangent: y=2x³+3, dy/dx= 6x²When x=-2, dy/dx= 24When x=-2, y=2(-2)³+3, y= -13equation of a tangent is y=mx+c, where y=-13...