Fall Semester Geometry Review Part 1

Front

What is a valid conclusion in logic?

Back

A conclusion that logically follows from the given premises.

Front

If an animal is a dog, then they like biscuits. Sammy is a dog. What can we conclude?

Back

Sammy likes biscuits.

Front

What does it mean to reflect a figure over a line?

Back

To create a mirror image of the figure across the specified line.

Front

What is the equation of a line that is perpendicular to y - 3 = 4(x + 5)?

Back

y = -1/4x - 2.

Front

What is a counterexample in logic?

Back

An example that disproves a statement or proposition.

Front

If something is an angle, then it is acute. What is a counterexample?

Back

120° is a counterexample because it is not acute.

Front

What does it mean for two lines to be parallel?

Back

Two lines that never intersect and are equidistant from each other.

Front

What is the definition of congruent lines?

Back

Lines that have the same length.

Front

What is the definition of similar figures?

Back

Figures that have the same shape but may differ in size.

Front

What is the slope of a line that is perpendicular to a line with a slope of 4?

Back

The slope would be -1/4.