Topics
5. Linear Equations, Proportional Relationships & Lines
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United States of AmericaUT
Grade 8

5.09 Connecting descriptions, tables, equations, and graphs of lines

Lesson
Practice

Interactive practice questions

Write down the equation of a line which has a slope of $-4$−4 and crosses the $y$y-axis at $-4$−4.

Give your answer in slope-intercept form.

Easy
1min

Write down the equation of a line whose slope is $-3$−3 and crosses the $y$y-axis at $-8$−8. Express in slope-intercept form.

Easy
< 1min

Write down the equation of the line in slope-intercept form, given that its slope is $-9$−9 and its $y$y intercept is $2$2.

Easy
< 1min

Consider the table of values below.

Easy
< 1min
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Outcomes

8.F.4

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.

8.F.5

Describe qualitatively the functional relationship between two quantities by analyzing a graph (for example 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.

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