Topics
2. Equations & Inequalities in Two Variables
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United States of AmericaFL
Grade 912

2.04 Parallel and perpendicular lines

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

If two lines with slopes $m_1$m1​ and $m_2$m2​ are perpendicular, what is the product of their slopes?

$m_1m_2$m1​m2​$=$=$\editable{}$

Easy
< 1min

Select the single best definition that describes two perpendicular lines.

Easy
< 1min

Are the lines $y=x+6$y=x+6 and $y=x-6$y=x−6 perpendicular?

Easy
< 1min

What is the slope of a line perpendicular to a line which has a slope of $-9$−9 ?

Easy
< 1min
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Outcomes

MA.912.AR.2.2

Write a linear two-variable equation to represent the relationship between two quantities from a graph, a written description or a table of values within a mathematical or real-world context.

MA.912.AR.2.3

Write a linear two-variable equation for a line that is parallel or perpendicular to a given line and goes through a given point.

MA.912.AR.2.4

Given a table, equation or written description of a linear function, graph that function, and determine and interpret its key features.

MA.912.AR.2.5

Solve and graph mathematical and real-world problems that are modeled with linear functions. Interpret key features and determine constraints in terms of the context.

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