Geo Sem1 Exam Rev #1

Which is a counterexample to the following conditional statement:

"If x is any number, then x² > x"

• 2

• 1

• - 1

• - 2

If the lengths of two sides of a triangle are 8 and 20, which represents the possible length of the third side?

• 8 < x < 20

• 20 < x < 8

• 12 < x < 28

• 28 < x < 12

The midpoint of PQ is M( 1, - 5 ). One endpoint is P( 9, - 3 ). What are the coordinates of the other endpoint Q?

• ( 5, - 4)

• (4, 1)

• ( - 4, - 1 )

• ( -7, -7 )

What is the slope of a line passing through the origin and (-7, 5) ?

• $\frac{5}{7}$

• $-\frac{5}{7}$

• $\frac{7}{5}$

• $-\frac{7}{5}$

What is the inverse of this conditional statement?

If an angle measures 40^o, then it is acute.

• If an angle does not measure 40^o, then it is not acute.

• If an angle is acute, then it measures 40^o.

• If an angle is not acute, then it does not measure 40^o.

• An angle measures 40^o if and only if it is acute.

Given statements:

If it snows, then school is closed.

If school is closed, then class is on Zoom.

Which is a logical conclusion from the given statements?

• If it does not snow, then school is not closed.

• If class is on Zoom, the school is closed.

• If school is not closed, then class is not on Zoom.

• If it snows, then class is on Zoom.

Given ABCD, find the length of AC.

• 7.7

• 8.2

• 9.2

• 12.5

Which of the following does NOT represent the side lengths of a triangle?

• 2m, 4m, 3m

• 15m, 10m, 8m

• 18m, 2m, 18m

• 1m, 2m, 3m

• 35

• 37

• 39

• 53