Algebra Formulas for the PRAXIS® Core Academic Skills for Educators Mathematics Test
In the revised “PRAXIS Core Academic Skills for Educator: Mathematics” Test (5733), algebra is no longer as scary as it was. It used to represent 30% of the test, but, as a regular classroom educator, you probably won’t teach complex algebra topics. That’s why the percentage of algebra questions in the revised test dropped to 20%, becoming the third area in importance, after Number and Quantity; and Data Interpretation and Representation, Statistics and Probability.
In the following chart, you’ll find the most essential Algebra formulas you’ll use during the “PRAXIS Core Academic Skills for Educator: Mathematics” Test (5733).
Geometry Formulas for the PRAXIS Core Academic Skills Test
Number and Quantity Formulas for the PRAXIS Core Academic Skills Test
Algebra Formulas for the Praxis Mathematics Test
Category  Formula  Symbols  Comment 

Algebra  \(x+a=b \Rightarrow x=ba\) \(xa=b \Rightarrow x=b+a\) \(x \cdot a=b \Rightarrow x=b \div a\) \(x \div a=b \Rightarrow x=b \cdot a\) \(x^a=b \Rightarrow x = \sqrt[a]{b}\) \(\sqrt[a]{x}= b \Rightarrow x= b^a\) \(a^x=b \Rightarrow x=\frac{log\ b}{log\ a}\) 
a, b = constants x = variable 

Algebra  \(a+b=b+a\) \(a \cdot b = b \cdot a\) 
a, b = any constant or variable  Commutative Property 
Algebra  \(a+(b+c)=(a+b)+c\) \(a \cdot (b \cdot c)=(a \cdot b) \cdot c\) 
a, b, c = any constant or variable  Associative Property 
Algebra  \(a \cdot (b+c) = a \cdot b + a \cdot c\)  a, b, c = any constant or variable  Distributive Property 
Algebra  \(y=mx+b\)  y = dependent variable m = slope x = independent variable b = yaxis intercept 
Linear Equation in SlopeIntercept Form. Try to convert any given linear equation to this format. 
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