20 Algebra 2 Questıons What is the equation of the following graph

20 Algebra 2 Questıons What is the equation of the following graph

QUESTION 1

1. What is the equation of the following graph?
   

2 points

QUESTION 2

1. What are the vertices of the following graph?
   

   		(0, -4) and (0, 4)
   		(-4, 0) and (4, 0)
   		(0, -5) and (0, 5)
   		(-5, 0) and (5, 0)

2 points

QUESTION 3

1. What are the foci of the following graph?
   

   		(0, -5) and (0, 5)
   		(-5, 0) and (5, 0)
   		(-4, 0) and (4, 0)
   		(0, -4) and (0, 4)

2 points

QUESTION 4

1. What is the center of the following graph?
   

   		(2, 2)
   		(-2, 0)
   		(1, 3)
   		(3, 1)

2 points

QUESTION 5

1. What is the equation of the following graph?
   

2 points

QUESTION 6

1. What are the foci of the following graph?
   

   		(-7, 3) and (5, 3)
   		(-1- , 3) and (-1 + , 3)
   		(-1- , 3) and (-1 + , 3)
   		(-8, 3) and (6, 3)

2 points

QUESTION 7

1. What is the equation of the ellipse with foci (2, 0), (-2, 0) and vertices (7, 0), (-7, 0)?
   

2 points

QUESTION 8

1. What is the equation of the ellipse with foci (5, 0), (-5, 0) and co-vertices (0, 4), (0, -4)?
   

2 points

QUESTION 9

1. What is the equation of the ellipse with foci (0, 3), (0, -3) and co-vertices (1, 0), (-1, 0)?
   

2 points

QUESTION 10

1. Is this a function of ellipse?
   

   		True
   		False

2 points

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QUESTION 1

1. The average score on a standardized test is 750 points with a standard deviation of 50 points. What is
   the probability that a student scores more than 700 on the standardized test?
   

   		84%
   		2%
   		34%
   		16%

2 points

QUESTION 2

1. The time required to finish a test in normally distributed with a mean of 80 minutes and a standard deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more than 110 minutes?
   

   		82%
   		2%
   		34%
   		16%

2 points

QUESTION 3

1. If 1,000 students take a test that has a mean of 40 minutes, a standard deviation of 8 minutes, and is normally distributed, how many would you expect would finish in less than 40 minutes?
   

   		250
   		500
   		750
   		1000

2 points

QUESTION 4

1. The average score on a standardized test is 750 points with a standard deviation of 50 points. If 2,000 students take the test at a local school, how many students do you expect to score between 700 and 800 points?
   

   		1130
   		1200
   		1360
   		1500

2 points

QUESTION 5

1. The average score on a standardized test is 500 points with a standard deviation of 50 points. What is the probability that a student scores more than 400 on the standardized test?
   

   		98%
   		82%
   		16%
   		2%

2 points

QUESTION 6

1. The total area under the curve is _________.
   

   		4
   		3
   		2
   		1

2 points

QUESTION 7

1. Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a
   standard deviation of 1.5. What is the z-score of a size of 11?
   

   		0.75
   		0.50
   		0.67
   		0.32

2 points

QUESTION 8

1. Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points.
   This data is normally distributed. What is the z-score of 1225 points?
   

   		-1.32
   		-1.50
   		-1.83
   		-2.34

2 points

QUESTION 9

1. Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a
   standard deviation of 1.5. What is the z-score of a size of 12?
   

   		1.33
   		1.0
   		0.67
   		0.33

2 points

QUESTION 10

1. Suppose you have a mean standardized score of 1200 points with a standard deviation of 200 points.
   This data is normally distributed. What is the z-score of 1600 points?
   

   		2.0
   		1.0
   		-1.0
   		-2.0

2 points

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