MATH PLACEMENT TEST EQUATIONS WITH
COMPLETE SOLUTIONS 100% 2023/2024
Distance Formula
d=√(x₂-x₁)²+(y₂-y₁)²
Quadratic Equation
ax²+bx+c=0
Quadratic Formula
x=-b±√b²-4ac/2a
Discriminant
b²-4ac=0 has 1 real solution b²-4ac>0 has 2
Avg Rate of Change for a Function
∆f(x)/∆x
lne =
0
Inverse Function
xlogx=xyx
2π
360
Angle Measure
x/y=360/2π
sinθ (Def of Circular Function)
y/r
cosθ (Def of Circular Function)
x/r
tanθ (Def of Circular Function)
y/x
What is the period of f(x)=sin(x)
period 2π
What is the period of f(x)=cos(x)
period 2π
COMPLETE SOLUTIONS 100% 2023/2024
Distance Formula
d=√(x₂-x₁)²+(y₂-y₁)²
Quadratic Equation
ax²+bx+c=0
Quadratic Formula
x=-b±√b²-4ac/2a
Discriminant
b²-4ac=0 has 1 real solution b²-4ac>0 has 2
Avg Rate of Change for a Function
∆f(x)/∆x
lne =
0
Inverse Function
xlogx=xyx
2π
360
Angle Measure
x/y=360/2π
sinθ (Def of Circular Function)
y/r
cosθ (Def of Circular Function)
x/r
tanθ (Def of Circular Function)
y/x
What is the period of f(x)=sin(x)
period 2π
What is the period of f(x)=cos(x)
period 2π
