Basic Formulas
point-slope formula
y=mx+b
area of a square
s2 or l*w
150/25=?
6
x2+8x=?
x(x+8)
i2=?
-1
area of a triangle
1/2 bh
area of a parallelogram
base*height
6/2(1+3)=?
12
x2+6x+9=?
(x+3)2
(9i+81i)2=?
-8100
circumference of a circle
2pi r
volume of a cube
s3 or l*w*h
23*3=?
69
x2+16x+64=?
(x+8)2
|300i2|=?
300
pythagorean theorem
a2+b2=c2
volume of a cylinder
pi r²h
3 1/5+b=4/5 b=?
b=-12/5
(5x-6y)(5x-6y)=?
25x2-60xy+36y2
(3+6i)+(2-5i)=?
5+i
quadratic formula
x = (−b ± √b2 − 4ac)/2a
volume of a cone
(pi r2h)/3
y=36/3*⎷256 y=?
y=192
(3x+12y)(4x-13y)=?
12x2+9xy-156y2
(2m+5i)-9i=?
2(m-2i)