Co ordinates of mid point calculation
(Xm, Ym)
( x1+x2 / 2) , (y1+y2 / 2)
What are parentheses (0,2)
The number is NOT a valid output of the function.
What are parentheses [3,1]
The number is a valid output of the function
What symbol (3,4) ∩ (5,6)
Intersection
Used to find overlap of intervals or sets
What is symbol (6,4) ∪ (7,9)
Union
Used to combine intervals or sets
The range of a function can be thought of as …
Set of all y values given by a function
What does roots of a function mean
X intercept on a graph
f(x) = 0
y = 0
When is vieta’s formula useful
When we want sum or product of roots without solving equation
Vieta’s formula
Product of roots
x1 * x2 =
c/a
Vieta’s formula
Sum of roots
x1 + x2 =
-b/a
What are vieta’s formula for a quadratic equation
ax^2 + bx + c = 0
With roots x1,x2
