Algebra: Symbol Word Problems

 
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Symbol Problems are word problems that use symbols to represent a certain group of operations.

The question will always tell you what the symbols means. Read the question carefully and then plug in the numbers.

Example 1:

 What is the value of

Solution:

Step 1: Plug in

Step 2: Plug in x = 4

Step 3: Add the two

Answer:

Example 2:

 If , what is the value of k?

Solution:

Step 1: Plug in x = 4 and y = 5

Step 2: Plug in x = k and y = 10

Step 3: Equate the two

Cross Multiply

Answer: 8

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Symbols and Funky Functions
Some SAT questions use some really weird symbols to describe a function. SAT Math Tutorial - Functions with Weird Symbols