Graphs
Range
THe Y values
How to find the slope given two points?
slope (m) = y2-y1 / x2 - x1
Volume of a rectangle.
V=L x W x H
Area of a circle
A= (pi) r^2
Reflection over X-axis. (X,Y)---->?
(X,Y) ----> (X,-Y)
Domain
The x values
How to find slope from a graph?
Rise over Run
Volume of a Cylinder.
V = πr2h
Area of a Rectangle.
A= lw
Translation of down 6, right 7. (X,Y)------>?
(X,Y) -------> (X+7, Y-6)
Parallel Lines
Lines with the same slope that never touch.
Slope intercept form
y=mx+b
Volume of a Cone.
V= (1/3)πr2h
Pythagorean Theorem
a^2 + b^2 = c^2
1800 rotation. (X,Y)----->?
(X,Y) ------> (-X,-Y)
Perpendicular Lines
Two lines that meet and form 90o angles. The slopes are opposite reciprocals.
What does a line with a slope of zero look like?
A straight horizontal line.
Volume of a Sphere
V = (4⁄3)πr3
Area of a Triangle.
A = (1/2)bh
Dilation of k=3. (X,Y)------>?
(X,Y)------> (3X,3Y)
Where is the solution to a system of equations found on a graph?
Point where the two lines intersect
If a line has a slope of 6 and a y-intercept of 12, what is this lines x-intercept?
The x-intercept is (-2,0)
Volume of a Cube.
V= a^3
a= length of side or edge
Circumference
C=(pi)d or C=2(pi)r
Rotation of 270o Counter Clockwise. (X,Y)----->?
(X,Y) -------> (Y,-X)