WGU C957 PRE-ASSESSMENT: APPLIED
ALGEBRA FINAL TEST 2026 QUESTIONS
WITH CORRECT ANSWERS GRADED A+
◍ A term used in statistical modeling to refer to a correct prediction of the
absence of a condition..
Answer: True negative
◍ A line that the function approaches but does not cross as x becomes very
large or very small..
Answer: Asymptote
◍ Up to 25% beyond the observed data range..
Answer: Safe Extrapolation Range for Moderate Models
◍ A framework developed in the early 20th century to describe population
growth, incorporating limits to growth..
Answer: Modern Logistic Growth Model
◍ calculate the average rate of change.
Answer: The formula to compute an average rate of change is (y2-y1)
divided by (x2-x1).
◍ common ratio.
Answer: 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...].
◍ inflection point.
Answer: A point on a curve at which the curve's concavity changes; also
called "point of inflection."
◍ It approaches zero for large positive or negative x-values in a logistic
, function..
Answer: Interpretation of instantaneous rate of change
◍ If (a, b) is on the graph of function f, it is written as f(a) = b..
Answer: Function notation for coordinates
◍ Crucial for describing time complexity of algorithms and data structure
growth..
Answer: Exponential Modeling in Computer Science
◍ The evaluation of whether a chosen model fits the data well before relying
on statistical measures like r²..
Answer: Model Appropriateness
◍ Removing a true outlier always increases the r² value..
Answer: Effect of removing true outlier
◍ function of best fit.
Answer: A function that best represents given data points.
◍ asymptote.
Answer: A horizontal, vertical, or slanted line on a graph that a curve
approaches but never touches.
◍ Unusual patterns in financial markets that deviate from expected behavior,
often used in robust regression to maintain stability..
Answer: Market Anomalies
◍ Making predictions that contradict real-world possibilities, such as
forecasting negative asset prices..
Answer: Validity error in financial modeling
◍ A visual depiction of data or functions, often used to analyze trends and
behaviors..
Answer: Graphical Representation
◍ functions.
Answer: A relation based on a set of inputs and a set of possible outputs
where each input is related to exactly one output.
, ◍ Estimating an output for an input that lies within the range of observed data..
Answer: Interpolating a Value
◍ A function defined by different expressions based on the input value..
Answer: Piecewise Function
◍ maximum value.
Answer: The largest value in a set of data.
◍ A function where the variable is in the exponent, typically showing rapid
growth or decay..
Answer: Exponential Function
◍ common era.
Answer: A designation previously called "A.D.," meaning annus domini,
"year of the Lord"; the Common Era dates year 1 as the presumed year of
Jesus of Nazareth's birth.
◍ interpolation.
Answer: A method of inserting new data points in the range of a known set
of data points. ("Inter" means among.)
◍ linear regression.
Answer: A regression that finds the best-fit line based on at least two data
points.
◍ Points that are lower or higher than nearby points but not necessarily the
lowest or highest overall..
Answer: Local Minima/Maxima
◍ A method where the asymptotes of a logistic function represent the
minimum and maximum sustainable populations..
Answer: Population Modeling
◍ slope formula.
Answer: "Rise over run," or said another way, the difference between two
points' y-values, divided by the difference of those same two points'
x-values.
ALGEBRA FINAL TEST 2026 QUESTIONS
WITH CORRECT ANSWERS GRADED A+
◍ A term used in statistical modeling to refer to a correct prediction of the
absence of a condition..
Answer: True negative
◍ A line that the function approaches but does not cross as x becomes very
large or very small..
Answer: Asymptote
◍ Up to 25% beyond the observed data range..
Answer: Safe Extrapolation Range for Moderate Models
◍ A framework developed in the early 20th century to describe population
growth, incorporating limits to growth..
Answer: Modern Logistic Growth Model
◍ calculate the average rate of change.
Answer: The formula to compute an average rate of change is (y2-y1)
divided by (x2-x1).
◍ common ratio.
Answer: 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...].
◍ inflection point.
Answer: A point on a curve at which the curve's concavity changes; also
called "point of inflection."
◍ It approaches zero for large positive or negative x-values in a logistic
, function..
Answer: Interpretation of instantaneous rate of change
◍ If (a, b) is on the graph of function f, it is written as f(a) = b..
Answer: Function notation for coordinates
◍ Crucial for describing time complexity of algorithms and data structure
growth..
Answer: Exponential Modeling in Computer Science
◍ The evaluation of whether a chosen model fits the data well before relying
on statistical measures like r²..
Answer: Model Appropriateness
◍ Removing a true outlier always increases the r² value..
Answer: Effect of removing true outlier
◍ function of best fit.
Answer: A function that best represents given data points.
◍ asymptote.
Answer: A horizontal, vertical, or slanted line on a graph that a curve
approaches but never touches.
◍ Unusual patterns in financial markets that deviate from expected behavior,
often used in robust regression to maintain stability..
Answer: Market Anomalies
◍ Making predictions that contradict real-world possibilities, such as
forecasting negative asset prices..
Answer: Validity error in financial modeling
◍ A visual depiction of data or functions, often used to analyze trends and
behaviors..
Answer: Graphical Representation
◍ functions.
Answer: A relation based on a set of inputs and a set of possible outputs
where each input is related to exactly one output.
, ◍ Estimating an output for an input that lies within the range of observed data..
Answer: Interpolating a Value
◍ A function defined by different expressions based on the input value..
Answer: Piecewise Function
◍ maximum value.
Answer: The largest value in a set of data.
◍ A function where the variable is in the exponent, typically showing rapid
growth or decay..
Answer: Exponential Function
◍ common era.
Answer: A designation previously called "A.D.," meaning annus domini,
"year of the Lord"; the Common Era dates year 1 as the presumed year of
Jesus of Nazareth's birth.
◍ interpolation.
Answer: A method of inserting new data points in the range of a known set
of data points. ("Inter" means among.)
◍ linear regression.
Answer: A regression that finds the best-fit line based on at least two data
points.
◍ Points that are lower or higher than nearby points but not necessarily the
lowest or highest overall..
Answer: Local Minima/Maxima
◍ A method where the asymptotes of a logistic function represent the
minimum and maximum sustainable populations..
Answer: Population Modeling
◍ slope formula.
Answer: "Rise over run," or said another way, the difference between two
points' y-values, divided by the difference of those same two points'
x-values.
