Quadratics

Question 1

Quadratic formula

Answer 1

ax ²+bx+c

Question 2

Completing the square formula

Answer 2

a(x+p) ²+q

p = b/2a

q= c- b²/4a

Question 3

What letters represent both the maximum and minimum points

Answer 3

(-p, q)

Question 4

How do I solve hidden quadratics like kx² + 4kx + 9

Answer 4

Use a placeholder that represents a complex value

Example : y=kx

Question 5

Discriminant formula

Answer 5

b ² -4ac

Question 6

Determining if a quadratic has 2 distinct roots, 1 real root or no real roots

Answer 6

Delta: result from discriminant
formula
Roots: points that the parabola touches the x axis
If the delta > 0, there are 2 real roots ,
If the delta = 0 there is 1 real root ,
If the delta < 0 there are no real roots