What is a proportional relationship?

Proportional relationships are relationships between two numbers/variables where they have equivalent ratios! Every proportional relationship has a constant of proportionality, where one variable is always a constant value times the other.

Example: and are proportional because when simplified, they have a ratio of 1/2 or 1:2.

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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