Practice Exam Answers

19 verified answers
1
Free Preview

Which statement is true about whether cap A and cap b are independent events?

A
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap b .
B
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is not equal to cap p times cap A .
C
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A .
D
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is not equal to cap p times cap b .
4

Which equation represents the general form a circle with a center at negative 2 comma negative 3 and a diameter of 8 units?

A
x squared plus y squared minus 4 x minus 6 y minus 51 is equal to 0
B
x squared plus y squared plus 4 x plus 6 y minus 51 is equal to 0
C
x squared plus y squared plus 4 x plus 6 y minus 3 is equal to 0
D
x squared plus y squared minus 4 x minus 6 y minus 3 is equal to 0
8

What is the area of triangle MOL ?

A
250 square units
B
300 square units
C
200 square units
D
500 square units
9

What is the approximate volume of the oblique cone? Use pi almost equal to 3 point 1 4 and round to the nearest tenth.

A
141 point 3 cubic units
B
235 point 5 cubic units
C
117 point 8 cubic units
D
282 point 6 cubic units
10

For triangle ABC , which one is equivalent to sine of cap A ?

A
cosine of cap c
B
tangent of cap c
C
cosine of cap b
D
sine of cap b
12

Which expression represents the volume of the prism?

A
x times open paren x plus 1 close paren cubic units
B
x squared times open paren x minus 2 close paren cubic units
C
x squared times open paren x plus 1 close paren cubic units
D
x times open paren x minus 2 close paren cubic units
13

What is the approximate length of minor arc LM ? Round to the nearest tenth of a centimeter.

A
31 point 4 centimeters
B
15 point 7 centimeters
C
36 point 7 centimeters
D
12 point 4 centimeters
14

What are the angle measures of triangle ABC ?

A
m angle cap A is equal to 60 degrees , m angle cap b is equal to 90 degrees , m angle cap c is equal to 30 degrees
B
m angle cap A is equal to 90 degrees , m angle cap b is equal to 60 degrees , m angle cap c is equal to 30 degrees
C
m angle cap A is equal to 30 degrees , m angle cap b is equal to 60 degrees , m angle cap c is equal to 90 degrees
D
m angle cap A is equal to 90 degrees , m angle cap b is equal to 30 degrees , m angle cap c is equal to 60 degrees
15

What is the volume of the pyramid?

A
48 cm cubed
B
12 cm cubed
C
16 cm cubed
D
32 cm cubed
16

The measure of central XYZ angle is 3 pi over 4 radians. What is the area of the shaded sector?

A
32 pi units squared
B
256 pi units squared
C
85 pi units squared
D
96 pi units squared
18

On a unit circle, the vertical distance from the x -axis to a point on the perimeter of the circle is twice the horizontal distance from the y -axis to the same point. What is sine theta ?

A
1 fifth
B
2
C
the fraction with numerator square root of 5 and denominator 5
D
the fraction with numerator 2 square root of 5 and denominator 5
19

Which statements are true? Choose three correct answers.

A
cap p times open paren cap f divides cap c close paren is equal to 0 point 7 5
B
cap p times open paren cap c divides cap f close paren is equal to 0 point 2 5
C
cap p times open paren the intersection of cap c and cap f close paren is equal to cap p times open paren the intersection of cap f and cap c close paren
D
cap p times open paren the intersection of cap c and cap f close paren is equal to 0 point 0 9
E
cap p times open paren cap c divides cap f close paren is equal to cap p times open paren cap f divides cap c close paren

Did you find these answers helpful?