2012 Njc Prelim H2 Math -

: Challenges students with loci sketching, such as circles and half-lines, and the calculation of greatest/least arguments. Parametric Equations

NJC loved to test the distinction between regression lines. 2012 njc prelim h2 math

This was not a simple Gaussian elimination. NJC used a parametric variable ($\lambda$) in a 3x3 matrix. : Challenges students with loci sketching, such as