What does jointly mean in math?

When we say z is jointly proportional to a set of variables, it means that z is directly proportional to each variable taken one at a time. If z varies jointly with respect to x and y, the equation will be of the form z = kxy (where k is a constant).

What is the difference between joint and combined variation?

Joint variation is similar to direct variation. It involves two or more variables, such as y=k(xz). Combined variation combines direct and inverse variation, y=kx/z.

What does it mean when a variable varies jointly?

Joint variation describes a situation where one variable depends on two (or more) other variables, and varies directly as each of them when the others are held constant. We say z varies jointly as x and y if. z=kxy. for some constant k.

What is the difference between direct and joint variation?

The value of y varies directly with x, y is directly proportional to x. k is called the constant of proportionality, and is typically positive. Special Case: Direct Square variation: y=k{{x}^{2}}….Direct, Inverse, Joint and Combined Variation.

Direct or Proportional Variation Partial Variation
Inverse or Indirect Variation More Practice
Joint and Combined Variation

How do you write varies jointly?

Equation for a joint variation is X = KYZ where K is constant. One variable quantity is said to vary jointly as a number of other variable quantities, when it varies directly as their product. If the variable A varies directly as the product of the variables B, C and D, i.e., if.

What is combined variation in math?

Combined variation describes a situation where a variable depends on two (or more) other variables, and varies directly with some of them and varies inversely with others (when the rest of the variables are held constant).

How will you describe a joint relationship of quantities?

One variable quantity is said to vary jointly as a number of other variable quantities, when it varies directly as their product. If the variable A varies directly as the product of the variables B, C and D, i.e., if. A ∝ BCD or A = kBCD (k = constant ), then A varies jointly as B, C and D.

What is direct inverse and joint variation?

Joint variation occurs when a variable varies directly or inversely with multiple variables. For instance, if x varies directly with both y and z , we have x=kyz x = k y z . If x varies directly with y and inversely with z , we have x=kyz x = k y z .

What is direct variation?

Definition of direct variation 1 : mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other. 2 : an equation or function expressing direct variation — compare inverse variation.

What does jointly mean?

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What is another word for jointly?

Thesaurus / jointly FEEDBACK jointly See definition of jointly on Dictionary.com adv. as one synonyms for jointly Compare Synonyms accordingly collectively cooperatively in tandem mutually simultaneously together unitedly conjointly agreeably alike arm in arm coincidentally combined companionably concomitantly concurrently connectedly en masse

What does jointly and severally mean legally?

What Does “Jointly and Severally” Mean? The term or phrase “jointly and severally” is a legal term used to describe a partnership whereby each party or member holds equal responsibility for liability. A common term for “jointly and severally” is “joint and several liability.”

What is jointly and severally?

Joint and several liability is a legal term for a responsibility that is shared by two or more parties to a lawsuit. A wronged party may sue any or all of them, and collect the total damages