Y1CH2 Quadratics Flashcards
1
Q
How many solution can a quadratic have?
A
one. two or none
2
Q
What is the quadratic formula
A
-b+-//b^2-4ac// / 2a
3
Q
What is completing the square
A
A way to rewrite quadratic expressions
4
Q
What is the curved shape of a quadratic called?
A
a parabola
5
Q
If the coefficient of x^2 is positive what shape will the parabola have?
A
a smiley face
6
Q
You can find the turning points on a quadratic by doing what?
A
Completing the square
a(x+p)^2 + q
7
Q
What is the discriminant?
A
an indicator of how many solutions a quadratic has
b^2 - 4ac
8
Q
The discriminant:
Two real roots
one real root
no real roots
A
b^2 - 4ac > 0
b^2 - 4ac = 0
b^2 - 4ac < 0
9
Q
A
