SAT math 10 Flashcards
1
Q
binomial cube
A
(a+b)*
a+3a^b + 3ab^+ b
2
Q
binomial cube
A
(a-b)*
a- 3a^b + 3ab^+ b
3
Q
sum of 2 cubes
A
a+b=
a + b)(a^- ab + b^
4
Q
difference of 2 cubes
A
a-b=
a - b)(a^ + ab + b^
5
Q
n [ x ^
A
x ^/n
6
Q
i
can’t be in denominater, multiply by conjugate
A
[-1
7
Q
i2
A
-1
8
Q
i3
A
-i
9
Q
i4
A
i
10
Q
if i raised to higher exponent than 4, divide ex by 4
A
.25= 1
.5 = i2
.75 = i3
no deci= i4
11
Q
complex #
A
a+bi
12
Q
complex conjugate
A
(a+bi)(a-bi)
13
Q
facotring
A
ac b
x +
14
Q
quadratic graphing
A
line of symmetry
-b
2a
c= y intercept
a(x-h)^ + k
15
Q
other grpahing
A
right (x-2)
a= stretch/shrink
16
Q
probability: intersection in venn diagram
A
n
u= union/or