While there are different variations of each ISEE test, it is very possible that a student applying to 9th grade could be taking the exact same test with the exact same questions as a student applying to 12th grade; however, we explain below how this possibility has negligible impact on the test's overall difficulty. [...]
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 [...]
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 [...]
The line graphs generated by linear equations are not limited to the portion of the graph shown, but instead continue on infinitely in either direction. Essentially, you are working with a segment of the line graph and a few of the points it contains. We can further analyze the measurements of these line segments [...]
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