Unit 2: Basics of Geometry

Are we going to Add or Subtract to get to the Unknown Endpoint x?

How many are we going to Add or Subtract?

• -4

• +4

• -10

• 10

What is our Unknown x?

• 1

• -1

• 3

• -11

Are we going to Add or Subtract to get to the Unknown Endpoint y?

How many are we going to Add or Subtract?

• -4

• +4

• -14

• 14

What is our Unknown y?

• 13

• -13

• -1

• 1

Which formula do we use when a question asks us:

What is the length of this segment?

• distance

• midpoint

• slope

• There is no formula to determine the length of a segment.

Which formula do we use when a question asks us:

What is the middle point of this segment?

• distance

• midpoint

• slope

• There is no formula to determine the middle point of a segment.

Which formula do we use when a question asks us:

Are these lines Parallel, Perpendicular, or Neither?

• distance

• midpoint

• slope

• There is no formula to determine if lines are parallel, perpendicular, or neither.

Parallel Lines have slopes that are...

• opposite reciprocals.

• the same.

• no relationship.

Perpendicular Lines have slopes that are...

• opposite reciprocals.

• the same.

• no relationship.

Two lines that are perpendicular could have slopes that are:

• $\frac{4}{5}\ and\ -\frac{4}{5}$

• $\frac{4}{5}\ and\ \frac{5}{4}$

• $\frac{4}{5}\ and\ -\frac{5}{4}$

• $\frac{4}{5}\ and\ \frac{4}{5}$