8th Grade Functions Unit Test

8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
8th Grade Functions Unit Test
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(440 KB|10 pages)
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This 20 question unit test covers all the standards of the 8th grade Common Core functions unit. There are four questions for each of the standards: 8.F.A.1, 8.F.A.2, 8.F.A.3, 8.F.B.4, and 8.F.B.5. An answer key is included. 10 page PDF.

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Log in to see state-specific standards (only available in the US).
Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.
Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (𝘹, 𝘺) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.
Interpret the equation 𝘺 = 𝘮𝘹 + 𝘣 as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function 𝘈 = 𝑠² giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.
Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change.
Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.
Total Pages
10 pages
Answer Key
Included
Teaching Duration
N/A
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