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To work out the point at which the line hits the y axis, we need to know where x = 0. In order to do this, we need to set x = 0, and so we are left with x = 4.
To find the turning point, we need to...

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First of all I would find 1% by dividing 1546 by 100:1546/100 = 15.46Then I would multiply this by 24 to find 24%:15.46x24 = 371.04 So 24% of 1546 is 371.04

X 2.87 or -0.87y-0.87 or 2.87

Begin by expanding brackets using FOIL (first, outer, inner, last) method (demonstrated on whiteboard to make clear). Multiplying the first term of each bracket gives 3x², multiplying outer ter...