J - Just learned? 
K- Kould be learn
L - “Learn” would be proper instead of “learned” there im pretty sure
If you took out “How did”, then it would be “learned” (even though the sentence be a question anymore)
1 Like
M- Math Cannon
N - 
Yes I learn grammar in math class 
2 Likes
O- okvirus
P - Parabola
Q - Quadratic formula
R - Radical expression
S - Subtraction
T - Tables and graphs
U - U = mx + b
Yes i know its y but wynaut lol
V - Velocity equals distance over time
W- WhAt’S 9+10?!?
X - x = y/m - b
2 Likes
Y- y=mx+b
1 Like
Z - z = ai + b
A- ax^2+ax+b=0
B - b^2 + a^2 = c^2
C- c^2 = b^2 + a^2