VARIATIONS

Solve for k

10 = 5k

• 1/2

• 2

• 50

• 1/50

a varies inversely as b , what is the equation formula?

• a =kb

• b =ka

• a=k/b

• b = k/a

M varies jointly as R and S , find the equation

• M = kR

• M = kS

• M = kRS

• M = kR/S

What is k if p = kr and p = 12 and r = 4

• 1/4

• 4

• 1/3

• 3

J varies inversely as P, find the equation

• J = kP

• J=k/P

• P = kJ

• P = k/ J

M is directly prportional to P and inversely as R, what is the equation

• M = kPR

• M = kP/R

• P = kMR

• P = kM/R

A varies jointly as B and C, give the equation

• A = BC

• A = B/C

• A = kBC

• A = k/ BC

If y varies jointly as x and z, what is k if x =2 when z =4 and y=24

• 3

• 1/3

• 6

• 1/6

D varies directly as C and inversely as f

• D = kC/f

• D = kf/ C

• D=kDf

• D= kCf

What is k if m varies inversely as p if m=5 and p =10

• 2

• 1/2

• 50

• 1/50