We're excited to announce that we have finalized our seventh full-length practice test for the ISEE Lower Level. There is also an answer explanation for each of the 127 questions designed to prepare students for applying to grades 5 and 6 at many US private schools. As fitting for students who have already taken [...]
Piqosity now offers 7 full-length practice tests for the ISEE Upper Level private school admissions exam. In total, students have access to more than 3,000 practice questions lasting upwards of 50-hours. No other publisher offers more content than Piqosity for the ISEE Upper Level¹. This seventh, full-length practice test is available now at no-extra [...]
For the ISEE Lower Level, Piqosity now offers 6 full-length practice tests! Students can take these tests straight through under timed conditions or pause and resume at their leisure. For added flexibility, the tests can be even broken up and used as a 1000-item question bank, which automatically adapts to a student's strengths and [...]
The Upper Level Independent School Entrance Exam (ISEE) is the standardized test required by many private schools for students applying to grades 9-12. The ISEE is administered by the Educational Records Bureau (ERB). Piqosity currently offers 6 full-length practice tests plus 2,000 practice questions. In total, students can work through the equivalent of nearly [...]
A circle is a perfectly round geometric shape which you will see again and again in your studies of math concepts. You will need to have an understanding of its diameter, radius, circumference, area, arcs, and sectors. You will also work with objects that are tangent to a circle and what that means. Diameter [...]
A collection of numbers (called entries) contained within a pair of [ ] brackets is called a matrix. A matrix is labeled by a variable, which is usually a capitalized letter. In a sense, matrices are like sets of data, except that a matrix is made up of rows and columns of data as [...]
A transformation simply refers to moving the graph of a function around: If you want to move the line graph of y = 2x + 1 to the left or right, you increase or decrease the input. If you want to move the line graph of y = 2x + 1 up or down, [...]
The set of all possible inputs for a function is called the domain, and the inputs fall on the x‐axis in a graph. The set of all possible outputs for a function is called the range, and the outputs fall on the y‐axis in a graph. If the domain has an input that is [...]
With so many formulas and equations to know and use, computations can become confusing when you must use several formulas and/or equations for the same problem. Function notation was developed to help differentiate between distinct equations and formulas, which are all considered functions. A function is a correspondence, or relation, between two sets of [...]
Quadratic equations function in the same manner as linear equations in that you have a particular input resulting in a particular output. You plot points on the graph in the same manner as you do linear equations. The difference is that the graph of a quadratic forms a curved line, called a parabola, instead [...]
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