Linear Equations
What is the Slope-Intercept Form?
y=mx+b
Do quadratic functions have the same first difference, the same second difference, or the same ratio?
The same second difference.
Do exponential functions have the same first difference, the same second difference, or the same ratio?
The same ratio.
What is another word for median?
Middle?
What does the m represent in y=mx+b?
The slope.
What shape do quadratic functions have when they are graphed?
A parabola or a U.
True or False.
An exponential growth is when the base is less than 1.
False.
What's another word for "mean"?
Average
What does the b represent in y=mx+b?
The y-intercept.
What is the name of the point where the quadratic function turns back around?
The Vertex.
What is the formula for exponential functions?
a) y=mx+b
b)x2+bx+c=y
c)y=abx
c)
What is the mean, median, and mode of this set:
3,4,5,2,1,1,1,1
Mean: 2.25
Median: 1.5
Mode: 1
What's another word for "average rate of change"?
Slope.
What's another name for x-intercepts
zeros, roots, solutions.
Does this function show exponential growth or decay?
y=3(4)x
Growth
What is the point-slope form?
y-y1=m(x-x1)
What is the "standard form" of a linear equation?
Ax+By=C
The name of the line that divides a quadratic function in half.
The axis of symmetry.
What is b from the exponential function?
y=34(23)x
23.
What's another term for "initial value" in a linear equation?
y-intercept.