ALGEBRA AND TRIGONOMETRY FINAL
PAPER TESTED QUESTIONS WITH VERIFIED
ANSWERS COMPLETE STUDY SHEET
●● Discriminant > 0
Answer: 2 real solutions
●● Discriminant = 0
Answer: 1 real solution
●● Discriminant < 0
Answer: 2 imaginary solutions
●● Quadratic Formula
Answer: x=(-b±√(b^2-4ac))/(2a)
●● Axis of Symmetry
Answer: x=-b/(2a)
●● Vertex Form
Answer: y=a(x-h)^2+k
, ●● Sum of Roots
Answer: -b/a
●● Product of Roots
Answer: c/a
●● Distance Formula
Answer: √((x2-x1)^2+(y2-y1)^2)
●● Midpoint Formula
Answer: ((x1+x2)/2,(y1+y2)/2)
●● Circle Formula
Answer: (x-h)^2+(y-k)^2=r^2
●● Slope Formula
Answer: (y2-y1)/(x2-x1)
●● Parallel Lines
Answer: Same slope
PAPER TESTED QUESTIONS WITH VERIFIED
ANSWERS COMPLETE STUDY SHEET
●● Discriminant > 0
Answer: 2 real solutions
●● Discriminant = 0
Answer: 1 real solution
●● Discriminant < 0
Answer: 2 imaginary solutions
●● Quadratic Formula
Answer: x=(-b±√(b^2-4ac))/(2a)
●● Axis of Symmetry
Answer: x=-b/(2a)
●● Vertex Form
Answer: y=a(x-h)^2+k
, ●● Sum of Roots
Answer: -b/a
●● Product of Roots
Answer: c/a
●● Distance Formula
Answer: √((x2-x1)^2+(y2-y1)^2)
●● Midpoint Formula
Answer: ((x1+x2)/2,(y1+y2)/2)
●● Circle Formula
Answer: (x-h)^2+(y-k)^2=r^2
●● Slope Formula
Answer: (y2-y1)/(x2-x1)
●● Parallel Lines
Answer: Same slope