QUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS 2024
Distance Formula - ANSWER d=√(x₂-x₁)²+(y₂-y₁)²
Quadratic Equation - ANSWER ax²+bx+c=0
Quadratic Formula - ANSWER x=-b±√b²-4ac/2a
Discriminant - ANSWER b²-4ac=0 has 1 real solution b²-4ac>0 has 2
Avg Rate of Change for a Function - ANSWER ∆f(x)/∆x
lne = - ANSWER 0
Inverse Function - ANSWER xlogx=xyx
2π - ANSWER 360
Angle Measure - ANSWER x/y=360/2π
sinθ (Def of Circular Function) - ANSWER y/r
cosθ (Def of Circular Function) - ANSWER x/r
tanθ (Def of Circular Function) - ANSWER y/x
What is the period of f(x)=sin(x) - ANSWER period 2π