Linear Intersections

How many times do these lines intersect? 

• Never Intersect

• Intersect Once

• I Don't Know

• Always Touch

What is the intersection of these two lines?

• (4, -1)

• (-1, 4)

• (-4, 1)

• (-4, -1)

Find where the two lines intersect.

(Use y= and 2nd Trace 5)
(y1): y = 2x + 1
(y2): y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Find where the two lines intersect.

(Use y= and 2nd Trace 5)

• (2, -5)

• (2, 5)

• (4, -6)

• (-2, -3)

Find where the two lines intersect.

(Use y= and 2nd Trace 5)

• No Solution

• (-2, 6)

• (4, 0)

• (2, 2)

What is the intersection of the two lines?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Where do these two lines intersect?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

What is the point of intersection?

• No intersection

• (0, 2)

• (0, -4)

• (3, -3)

The point of intersection is:

• (4, 3)

• (3, 4)

• (-4, 3)

• No intersect

This system has _____ intersections.

• 0

• 1

• 2

• Infinitely many