vocabulary
What is a slope?
The ratio of the verticle change to the horizontal change between any two points.
quadratic formula
X=-B plus or minus square root of b2 minus 4 times A times B divided by 2 times A
25x+100=200
x=4
Horizontal axis of a graph
x-axis
MCMXVIII in Arabic Numerals
1918
What is the range?
The set of possible outputs for a function.
what axis does domain correspond with
x-axis
4x-35+6=3x
x=29
Vertical axis of a graph
y-axis
Chemical symbol for gold
Au
What is a function
A relationship in which for each input there is only one output
how to tell which way a parabola opens
If A is positive it opens up if A in negative it opens down
4x+2(3x-4)=12
x=2
The set of all inputs for a function
Domain
6th largest planet in the solar system
Venus
What is a linear equation?
An equation with at least one variable of degree one and no variables of degree greater than one.
what is standard form
AX+BY=C
3(x-45+5x)-2=34
x=19/2 or 9.5
Upper-right quadrant of a graph
Quadrant I
How many people signed the Declaration of Independence?
56 people
What is the independent variable?
When one quantity changes in a way that does not depend on the value of another quantity.
What is the equation for finding the slope
Y2 minus Y1 divided by X2 minus X1 = slope
f(x)=6+7(3+4-x)-3(7-3x)+23
When f(5)
f(5)=67
Lower-left quadrant of a graph
Quadrant III
The second largest country in Europe
(hint: not China)
Ukraine