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Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › Straight line equation vs price-demand equation
Hi
Great lectures – thanks!
Can you please quickly help explain the straight line demand equation and how it relates to
p=a-bx?
Q162 in bpp kit asks you to derive a straight line demand equation and solution presents you with price-demand equation.
Im confused – thanks!
Ps I understand the straight line equation to be y=a+bx
P = a – bQ is a straight line because there are no powers of P or Q. So asking for the straight-line equation is simply asking for the equation P = a – bQ