WGU C957 Applied Algebra – Brandy
Questions with Correct Answers
Asymptote
a horizontal, vertical, or slanted line that a graph approaches but never touches
coefficient of determination
A statistic that measures how well a regression prediction approximates the real data points.
An r^2 of 1 indicates that the regression prediction is a perfect fit for the data
common ratio
The number by which each term in a sequence is multiplied to find the next number in the
sequence; for example 4 is the common ratio for the sequence [1, 4, 16, 64, 256...]
Constant ratio
Occurs when the numeric relationship between two quantities- that is, how many times one
number contains the second- remains unchanged over time
Data regression
The process of examining data points to determine a valid equation. "Regression" refers to
bringing different data points down toward a normal average- "regressing" them
equation
A mathematical sentence that contains an equals sign.
explanatory variable
, A variable that, as it changes, affects another variable (called the response variable); for
example, as a person pumps more gas into a car's tank(the explanatory variable), the cost of
the purchase rises (the response variable)
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
exponential function
a function of the form f(x) = ab^x, where a and b are real numbers with a ≠ 0, b>0, and b ≠ 1
extrapolation
the act of estimation by projecting known information
f(x)=mx+b
linear function
f(x) = mx
A very basic function
function
A relation based on a set of inputs and a set of possible outputs where each input is related to
exactly one output
function notation
a way to name a function that is defined by an equation
Global Maximum
Finds the highest y-number the function goes to
Questions with Correct Answers
Asymptote
a horizontal, vertical, or slanted line that a graph approaches but never touches
coefficient of determination
A statistic that measures how well a regression prediction approximates the real data points.
An r^2 of 1 indicates that the regression prediction is a perfect fit for the data
common ratio
The number by which each term in a sequence is multiplied to find the next number in the
sequence; for example 4 is the common ratio for the sequence [1, 4, 16, 64, 256...]
Constant ratio
Occurs when the numeric relationship between two quantities- that is, how many times one
number contains the second- remains unchanged over time
Data regression
The process of examining data points to determine a valid equation. "Regression" refers to
bringing different data points down toward a normal average- "regressing" them
equation
A mathematical sentence that contains an equals sign.
explanatory variable
, A variable that, as it changes, affects another variable (called the response variable); for
example, as a person pumps more gas into a car's tank(the explanatory variable), the cost of
the purchase rises (the response variable)
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
exponential function
a function of the form f(x) = ab^x, where a and b are real numbers with a ≠ 0, b>0, and b ≠ 1
extrapolation
the act of estimation by projecting known information
f(x)=mx+b
linear function
f(x) = mx
A very basic function
function
A relation based on a set of inputs and a set of possible outputs where each input is related to
exactly one output
function notation
a way to name a function that is defined by an equation
Global Maximum
Finds the highest y-number the function goes to
