Question 1

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?

Accepted Answer

k = 5

Answer

k = 2

Answer

k = 6

Answer

k = 3

Question 2

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the equation of variation?

Accepted Answer

y = 5x

Answer

y = 4x

Answer

y = 7x

Answer

y  = 3x

Question 3

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. If he counted four seconds between the next flash of lightning and thunder, about how far away was the lightning?

Accepted Answer

4/5 miles

Answer

20 miles

Answer

8 miles

Answer

40 miles

Question 4

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?

Accepted Answer

k = 6.15

Answer

k = 123

Answer

k = 20

Answer

k = 0.16

Question 5

At top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?

Accepted Answer

k = 7/12

Answer

k = 12

Answer

k = 7

Answer

k = 12/7

Question 6

Write an equation for this relationship.

Accepted Answer

y=18.50x

Answer

y=18x

Answer

y=22.50x

Answer

y=22x

Question 7

What is the Constant of Proportionality?

Accepted Answer

k=46

Answer

k=92

Answer

k=0.2

Answer

not proportional

Question 8

Find the slope:

Accepted Answer

4/3

Answer

-3/4

Answer

3/4

Answer

-4/3

Question 9

What is the slope of the line?

Accepted Answer

7/3

Answer

-7/3

Answer

-3/7

Answer

3/7

Question 10

What is the slope of the line?

Accepted Answer

-3/1

Answer

3/1

Answer

2/6

Answer

6/5

Question 11

Point P is the circumcenter, which segment is equal to PB

Accepted Answer

PC

Answer

BF

Answer

DP

Answer

BC

Question 12

Use the Perp Bisector Theorem to find PQ

Accepted Answer

5

Answer

7

Answer

4

Answer

6

Question 13

What is the intersection of three perpendicular bisectors called?

Accepted Answer

Circumcenter

Answer

Supercenter

Answer

Neither

Answer

Incenter

Question 14

A line, segment, or ray that passes through the midpoint of a side that is creates a 90 degree angle with that side.

Accepted Answer

Perpendicular bisector

Answer

Median

Answer

Angle bisector

Answer

Altitude

Question 15

The perpendicular bisector theorem states that if a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.

Accepted Answer

YES

Answer

NO

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