- Grade 1
- Grade 2
- Grade 3
- Grade 4
- Grade 5
- Grade 6
- Grade 7
- Grade 8
Grade 8: Functions581 questions31 skills
Grade 8: Functions
581 questions31 skills
337 questions19 skills
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.
Evaluate function expressions
Solutions to 2-variable equations
Domain and range from graph
Intercepts from a graph
Graph from linear standard form
Intercepts from a table
Slope-intercept from two points
Evaluate functions from their graph
Graph from slope-intercept form
Linear equations word problems
Function rules from equations
Function domain word problems
Slope-intercept equation from graph
Function inputs & outputs: equation
Linear equations in any form
Complete solutions to 2-variable equations
Recognize functions from tables
Recognize functions from graphs
47 questions2 skills
Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).
130 questions7 skills
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.
128 questions8 skills
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.
34 questions2 skills
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.