Analyze functions that model linear relationships. β’ Understand that a linear relationship can be generalized by π¦ = ππ₯ + π. β’ Write an equation in slope-intercept form to model a linear relationship by determining the rate of change and the initial value, given at least two (π₯, π¦) values or a graph. β’ Construct a graph of a linear relationship given an equation in slope-intercept form. β’ Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of the slope and π¦- intercept of its graph or a table of values.
Compare properties of two linear functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).
Understand that a function is a rule that assigns to each input exactly one output. β’ Recognize functions when graphed as the set of ordered pairs consisting of an input and exactly one corresponding output. β’ Recognize functions given a table of values or a set of ordered pairs.
Qualitatively analyze the functional relationship between two quantities. β’ Analyze a graph determining where the function is increasing or decreasing; linear or nonlinear. β’ Sketch a graph that exhibits the qualitative features of a real-world function.
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Q 1/14
Score 0
60
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Score 0
60
14 questions
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1
60 sec
NC.8.F.4
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2
60 sec
NC.8.F.2
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3
60 sec
NC.8.F.3
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4
60 sec
NC.8.F.4
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5
60 sec
NC.8.F.3
Q.
In which choice do all three points lie on the same straight line?
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6
60 sec
NC.8.F.3
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What is the slope of the line that passes through the points (2, 3) and (8, 6)?
Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, . , -, and / are allowed in your answer.
Answers that are mixed numbers must be entered as an improper fraction or decimal.
(*NO CALCULATOR*)
7
60 sec
NC.8.F.4
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8
60 sec
NC.8.F.4
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9
60 sec
NC.8.F.1
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10
60 sec
NC.8.F.5
Q.
The table shows the number of hours Jake studied for his math tests and his corresponding grade.
Another student, Howie, increased his test scores 6 points for each hour he studied.
Which statement correctly describes the rate of change between hours studied and corresponding test scores of the two students?
