Of course, I cover these when working directly with students, but here's a reminder!
3 math concepts to be aware of ahead of Saturday's SAT, and every SAT!
In a right triangle, for two complementary angles (90° combined)
Sin x = Cos (90 - x).
Equation of a Circle
(x - h)² + (y - k)² = r²
where (h,k) are the center of the circle and r is the radius.
Vertex form of a parabola
Of course, there's more to discuss… but this stuff is going to be there! Be ready! For more intel/help, feel free to contact me.
QUICK VIDS ON KEY IDEAS!!!!
Completing the Square
Plugging In - Algebra
Fractional & Negative Exponents