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Algebra 1 Homework

Day 1

Name___________________

5.5 Write equations of Parallel and Perpendicular Lines

1.

Two lines in a plane are _________________if they intersect to form a right angle.

2.

Two lines in a plane are _________________if they do not intersect.

3.

Given two linear equations how can you determine if the lines are parallel?

If a line has a slope of:

what is the slope of a line

what is the slope of a line

parallel to it?

perpendicular to it?

4

4.

9

2

5.

!

3

6.

!2

7.

undefined

Write an equation in slope intercept form that passes through the given point and is parallel

to the graph of the given linear equation.

1

( )

(

)

8.

y = !

x + 6 and passes through !8,2

9.

5 x ! 3 y = 9 and passes through !15, 0

2

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