
In the 9th-grade algebra curriculum (Alimov), finding the domain (область определения функции) involves identifying inputs that avoid division by zero or square roots of negative numbers. The process requires setting up inequalities for roots or non-zero denominators and expressing the allowed
-values using interval notation. For more examples, see Khan Academy . In the 9th-grade algebra curriculum (Alimov), finding the

Lou S. Felipe, Ph.D. (she/they) is an assistant professor at the University of Colorado School of Medicine, where she provides culturally responsive, trauma-focused psychotherapy. Her research examines the intersectional identity experiences of marginalization, particularly at the intersection of race, ethnicity, gender, and sexuality with a unique specialization in Pilipinx American psychology.
In the 9th-grade algebra curriculum (Alimov), finding the domain (область определения функции) involves identifying inputs that avoid division by zero or square roots of negative numbers. The process requires setting up inequalities for roots or non-zero denominators and expressing the allowed
-values using interval notation. For more examples, see Khan Academy .