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How the SAT is Scored 437 405 School Tutoring

How the SAT is Scored

When writing the SAT, the academic material covered on the exam is not the only thing that is important understand. Knowing how the exam is scored can make a significant difference in your performance, and can lead to strategies that will improve your score. It can also be interesting to learn what goes on behind…

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How to Solve Systems of Equations 642 642 School Tutoring

How to Solve Systems of Equations

Given a system of two algebraic equations with two unknown variables there are two main methods to solve for the unknown values. An example of such a system of equations would be: x + y = 5 x – y = 1 OR 2x + y = 9 y – x = 3 The first…

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Determinant of a Matrix 150 150 SchoolTutoring Academy

Determinant of a Matrix

Every square matrix is associated with a real number which is called the determinant of the square matrix. Let S be the set of all square matrices and R be the set of real numbers. Then the function f:S->R is called the determinant. The determinant of a matrix M is denoted by |M| or detM.…

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Factoring: Two Special Cases 260 194 School Tutoring

Factoring: Two Special Cases

For a quadratic there are two special cases that factor very quickly and will save time when recognized. First case: Difference of Squares A difference of squares occurs when a quadratic has the form a2x2 – b2                                                                                        (1) where a and b are a positive number. This can then be factored to…

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Scalar and Vector Quantities 349 144 School Tutoring

Scalar and Vector Quantities

Every quantity in physics can be classified as either a scalar or vector. Vectors are quantities that are represented by both a magnitude and a direction. Scalars are quantities that are represented by only a magnitude. When answering a question or problem, it is helpful to understand whether the quantity is a scalar or vector…

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Cognitive Friday: Maximizing Learning Styles 150 150 Suzanne

Cognitive Friday: Maximizing Learning Styles

A learning style inventory is an assessment that shows people the modes in which they learn best. It is not an assessment in the common high-stakes sense of the word, but instead a tool to provide information to teachers and learners.  Students learn using one of three dominants modes – their visual brain, their auditory…

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Biology: Regulation of Kidney Function by Feedback Circuits 150 150 SchoolTutoring Academy

Biology: Regulation of Kidney Function by Feedback Circuits

Two important hormonal controls of the kidney function by negative feedback circuits. (i)   Control by Antidiuretic Hormone (ADH) : ADH produced in the hypothalamus of the brain and released into the blood stream from the pituitary gland, enhances fluid retention by making the kidneys reabsorb more water. The release of ADH is triggered when osmoreceptors…

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SAT Focus: Critical Reading Paired Passages 500 377 School Tutoring

SAT Focus: Critical Reading Paired Passages

One problem type regularly featured in the SAT critical reading section is the analysis of paired reading passages. These paired passages will share a common subject or theme, and the two passages will be related in some way, by the authors either sharing a similar viewpoint, opposing viewpoints, or partially agreeing with each other. These…

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Four Tips to Get Better at Math 340 208 School Tutoring

Four Tips to Get Better at Math

Students struggling with math are common, but the struggle does not need to be a permanent one. Every student will be able to accomplish their goals with some hard work and an encouraging support system around them. Here are some tips to start down the road to improvement today:  Realize math is not magic. Mathematics is…

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Properties of Determinants 150 150 SchoolTutoring Academy

Properties of Determinants

Every square matrix is associated with a real number which is called the determinant of the square matrix. Let S be the set of all square matrices and R be the set of real numbers. Then the function f:S->R is called the determinant. The determinant of a matrix M is denoted by |M| or detM.…

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