Math 95
Card Set Information
Author:
aricethc
ID:
266941
Filename:
Math 95
Updated:
2014-03-18 13:06:13
Tags:
math 95
Folders:
Description:
Math 95
Show Answers:
Slope
m=
y
_{2}
-y
_{1}
x
_{2}
-x
_{1}
Slope-intercept form of a linear equation
y=mx+b
Point-slope form of a linear equation
y=m(x-x
_{1}
)+y
_{1}
Standard form of a quadratic equation
ax
^{2}
+bx
^{2}
+c=0
Vertex form of a quadratic equation
y=a(x-h)
^{2}
+k (h,k) vertex
the quadratic formula
Difference of two squares
a
^{2}
-b
^{2}
=(a-b)(a+b)
Pythagorean Theorem
c
^{2}
=a
^{2}
+b
^{2}
Domain of a function
The set of all x-values of the ordered pairs in a relation
Range of a function
The set of all y-values of the ordered pairs in a relation
Vertex, Minimum, Maximum
The lowest point on the graph of a parabola that opens upward or the highest point on the graph of a parabola that opens downward
Imaginary number (i)
a number denoted i whose properties are i=√-1 and i
^{2}
=-1
Zero-product Property
For all real numbers a and b , if ab=0, then a=0 or b=0 (or both)
Conjugate
The conjugate of a+bi is a-bi
Vertex formula (x-coordinate)
x=-b/2a
Completing square method
Add (b/2)
^{2}
to both sides
a
^{m/n}
n√a
^{m}
8
^{2/3}
∛8
^{2}
=∛64=4