Quiz on Geometry - 1O - DB - Oct 13 2022

y = 6x + 2

y = -6x + 2

These lines are...

• Parallel

• Perpendicular

• Neither

y = -2/3x + 2

y = 3/2x + 9

These lines are...

• Parallel

• Perpendicular

• Neither

Two lines that are perpendicular lines have ...

• Slope that is opposite reciprocals

• No Slope

• Slope that is the same

• none of the above

Line a passes through (0, 3) and (-4, 8)

Line b passes through (0, 5) and (5,9)

Lines a and b are ?

• Parallel

• Perpendicular

• Neither

If an angle is 40⁰, then it is acute.
∠A is 40⁰.
Using the Law of Detachment, what is the logical statement to conclude?

• ∠A is complementary to ∠B
• ∠A is acute.
• ∠A is obtuse.
• ∠A is 40⁰

What is the converse of the statement:
If an animal is a dog, then it does not moo.  

• If an animal is not a dog, then it does moo
• If an animal can moo, then it is not a dog
• If an animal does not moo, then it is a dog
• An animal is a dog if and only if it can moo

Which law of logic is this:

If it is July, then school is out.

If school is out, then Ms. Prose is happy.

Therefore, if it is July, then Ms. Prose is happy.

• Law of Detachment

• Law of Contrapositive

• Law of Syllogism

• No Law

Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."

What is the inverse of this statement?

• If the polygon is not a quadrilateral, then it is not a trapezoid.

• If the polygon is not a trapezoid, then it is not a quadrilateral.

• If the polygon is a trapezoid, then it is a quadrilateral.

• A rectangle is also a quadrilateral.

Conditional: If it does not rain today, then we will have practice.
What is this statement called: If it rains today, then we will not have practice.

• Converse
• Inverse
• Contrapositive
• Negation

Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."

What is the contrapositive of this statement?

• If a polygon is a trapezoid, then it is a quadrilateral.

• If a polygon is not a quadrilateral, then it is not a trapezoid.

• If a polygon is not a trapezoid, then it is not a quadrilateral.

• A rectangle is also a quadrilateral.