Topics 47-53 Flashcards
1
Q
How to find the coordinates of the turning point of the graph y = quadratic
eg y = x^2 +14x - 9
A
1) complete the square
(x + 7)^2 - 58
| ——- > y is this
x coordinate is the negative of this
(-7 , -58)
2
Q
as the value of c increases on a quadratic graph, what happens to the curve
A
it will rise
it will fall if c decreases
3
Q
What is the sine rule
A
sin(angle)/opposite length = sin(angle)/opposite length
4
Q
What is the domain
A
The set of values x can take
5
Q
What is the range
A
The set of values f(x) can take
6
Q
How to find the domain and range of an inverse function
A
