CST Math Multi-Subject 7-12 Exam Questions and Answers 100% Correct

Quadratic Formula - ANSWER-x=-b±[√b²-4ac]/2a Sin - ANSWER-opposite/hypotenuse Cos - ANSWER-adjacent/hypotenuse Tan - ANSWER-opposite/adjacent Law of Sines - ANSWER-a/sinA=b/sinB=c/sinC Law of Cosines - ANSWER-a²=b²+c²-2bcCosA Area of a Triangle TRIG - ANSWER-K=1/2abSinC Area of a Triangle - ANSWER-A=1/2bh Area of a Trapezoid - ANSWER-A=1/2h(b1+b2) Lateral Area of a Right Circular Cylinder - ANSWER-L=2πrh Lateral Area of a Right Circular Cone - ANSWER-L=πrl Surface Area of a Rectangular Prism - ANSWER-SA=2lh+2lw+2hw Surface Area of a Cylinder - ANSWER-SA=2πr²+2πrh Surface Area of a Sphere - ANSWER-SA=4πr² Volume of a Cylinder - ANSWER-V=πr²h Volume of a Pyramid - ANSWER-V=1/3Bh Volume of a Cone - ANSWER-V=1/3πr²h Volume of a Sphere - ANSWER-V=4/3πr³ Slope of a Line - ANSWER-m=(Y2-Y1)/(X2-X1) Sum of a Finite Arithmetic Series - ANSWER-Sn=[n(a1+a2)]/2 Sum of a Finite Geometric Series - ANSWER-Sn = (a1 (1-r^n)/(1-r))