If x and y are in direct proportion then they are known as.
Answers
if x and y are in direct proportion then they are known as constant
if x and y are in direct proportion then they are known as directly proportional
Step-by-step explanation:
if x and y are in direct proportion then they are known as directly proportional
x ∝ y
x = ky
where k is the constant of proportionality or constant of variation.
Additional Info:
Direct variation if a variable increases then other variable also increases with a constant factor y = kx
inverse variation if a variable increases then other variable decreases with a constant factor xy = k
Joint variation is a relationship between atleast three variables, where one variable varies directly with all other variables.
y = kxz
Combined Variation is a relationship between three or more variables where it is in direct variation with few variable and in inverse variation with other variable y = kx/z
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