Question

if z^2 is directly proportional to w and z=4 when w=8
(i) find an equation connecting w and z
(ii) find the values of z when w=18
(iii) calculate the value of w when z=5

Answer 1

Answer:

see below

Step-by-step explanation:

z^2=2w

z=6,-6

w=12.5

Answer 2

Step-by-step explanation:

please mark me brilianst

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