Unit 7 Day 1 Review & Check

​Unit 7 Day 1 Review & Check

Use this + your notes copied from classroom to review the parallel & perpendicular lines.​

Multiple Choice

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Multiple Choice

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Multiple Choice

y = 3x +2
y = 3x - 3
These lines are...

• Parallel

• Perpendicular

• Neither

• The same line

Multiple Choice

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel

• Perpendicular

• Neither

Multiple Choice

y = 6x + 2
y = -6x + 2
These lines are...

• Parallel

• Perpendicular

• Neither

Multiple Choice

Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through the point (9, -2)

• y = -1/3x - 5

• y = 3x-29

• y = 1/3x -5

• y = -1/3x +1

Multiple Choice

If the lines are parallel to each other and the slope of the blue line is 1/4, what is the slope of the purple line?

• 4

• -4

• $$-\frac{1}{4}$$  

• $$\frac{1}{4}$$  

Multiple Choice

If the lines are perpendicular to each other and the slope of the blue line is $$\frac{1}{2}$$   , what is the slope of the purple line?

• 2

• -2

• $$-\frac{1}{2}$$  

• $$\frac{1}{2}$$  

Multiple Choice

Choose the linear equation that is parallel to the following line

$$y=-\frac{1}{4}x-1$$  

• $$y=-\frac{1}{4}x+5$$  

• $$y=\frac{1}{4}x-1$$  

• $$y=-4x-1$$  

• $$y=4x-1$$  

Multiple Choice

What is the solution to this system?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Multiple Choice

How many solutions will this system have? 

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

Multiple Choice

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines

• the same line 

• Intersecting lines

Multiple Choice

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines

• Same line

• Parallel lines