Factoring
When factoring, always look for the ______ first
GCF
5x2=80
x=-4, 4
what is the quadratic formula
x= -b +- -/ b2-4ac
_______________
2a
f(x)=x2+2
shift up 2 units
what is the Pythagorean Theorem
a2+b2=c2
x2+ 3x - 4
x= -4, 1
x=-2, 8
name the first 4 powers of i
i = i
i2= -1
i3= -i
i4= 1f(x)= |x-3|
Shift left 3 units
what are the 3 trigonometric ratios
Sine, Cosine, Tangent
5x2 + 30x - 135
x= -9, 3
6x2+4=1354
x=-15, 15
70-8i
f(x)= - |x|
Reflects over x axis
on the unit circle, what is my x value equal to?
cosine
2x2 + 11x + 5
x= -5, -1/2
(x-10)2=-49
10+7i, 10-7i
i46
-1
f(x)= -(x-3)2-3
Reflects over x axis
shifts right 3 units
shifts down 3 units
name the two special right triangles
45 45 90
30 60 90
2x2 − 18
x= -3, 3
3+i -/3
what is standard form of a quadratic?
ax2+bx+c
f(x)= 2(x-2)2-5
Vertical stretch by 2
shifts right 2
shifts down 5
what is the formula to convert degrees to radians?
degree x pi/180