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Exclusive  iCRED Math

As a professional engineer, I reverse-engineered the SAT to reveal how academic skills are tested. Then, I developed an Extraordinary SAT-Prep Method that provides ‘Memory’ and ‘Application’ strategies: students select correct answers confidently, consistently, and quickly by interconnecting visual Clues, Rules, Errors, and Definitions (iCRED Method) hidden within each SAT question. Thus, iCRED is a fun academic treasure hunt or I Spy game that delivers strong foundational knowledge in Reading, Writing, and Arithmetic. Learn how to use the built-in Desmos calculator on the digital SAT Math sections to get higher Math scores. The knowledge that interconnects Clues, Rules, Errors, and Definitions does NOT change, only the questions change from SAT to SAT.

 

Math Example: Algebra (Linear Functions Skill tested)

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Cluedays is the Unit-of-Measure for variable-x

Clue:  dollars is the Unit-of-Measure for variable-y

Clue:  variable-y is in Function Notation

 

Rule:  Find a point (x,y) hidden in the word problem (cost is dollars for the first day).

                 Point = (1, 64n)

 

Error:  FAILS to match y-part of point when x-part of point is substituted into the equation.

                 Eliminate answer choices B, C, and D.

 

Definition:  The smallest positive integer is one, NOT zero; zero is NOT positive and NOT negative.

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Definition:  Function Notation is another way to express a point, y = C(x), which reveals that the letters x and y are the only two variables.

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Definition A constant is a number or non-variable letter (NOT x and y) in an equation.

 

Quick Decode Each answer choice presents a linear function with two variables, so search the word problem for each variable’s Unit-of-Measure. The word problem describes a point in terms of both Unit-of-Measures (dollars for the first day). Per answer choice, plug-in x=1 until y=64n is found in only one answer choice.

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