of 22 Points:1 / 1 (Hình ảnh) The scatterplot above shows the salary and the hours worked by 12 students in the library after school. Which of the following is true, according to this scatterplot?

Cập nhật ngày: 01-08-2024

Chia sẻ bởi: Nguyễn Đăng An

of 22
Points:1 / 1

The scatterplot above shows the salary and the
hours worked by 12 students in the library after
school. Which of the following is true, according
to this scatterplot?

A

Five students worked more than the 5
hours.

B

Only one student was paid $80.

C

One student was paid more than $30 per
hour.

D

The median of the worked hours by 12
students is 4 hours.

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of 22
Points:1 / 1
Let the function f be defined by
f(x) = (g(x))² - 2g(x) - 2
If f(2) = -3, what is the value of g(2) ?

A

-3

B

-2

C

0

D

1

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Points:1 / 1

In the figure above, AB = 6 and BD = 2. What is the length of CD?

C

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D

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of 22
Points:1 / 1

C

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D

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of 22
Points:1 / 1

A

16

B

18

C

20

D

22

of 22
Points:1 / 1
During a sale last week, the original price of a
hamburger was discounted by p percent. But
this week the price of the hamburger has
increased by q percent. If the price of the
hamburger this week is x dollars, what is the
original price, in dollars?

A

B

C

D

of 22
Points:1 / 1
Five years ago the ratio of Alice's to Bernard's
age was 1:4. 10 years from now, the ratio of
Alice's to Bernard's age will be 2:3. How old is
Bernard?

A

15

B

17

C

25

D

27

of 22
Points:1 / 1
Bernard began to ride a bicycle slowly to the
town library, and he spent 30 minutes in the
library, and then rode quickly to the book store
to buy a novel. If after 10 minutes, he began to
ride home slowly again, which of the following
could possibly represent the trip?

A

B

C

D

of 22
Points:1 / 1

In the regular hexagon above, the length of a
side of the hexagon is 10. What is the length of
PQ?

A

15

B

20

C

20√ 3

D

25

of 22
Points:0 / 1

In the figure above, the part of a circle has an
area of 30π and its center at point 0. If the
measure of ∠AOB is 60°, what is the
perimeter of the figure?

A

12 + 2π

B

12 + 5π

C

12 + 10π

D

24 - 5π

of 22
Points:0 / 1
In the xy-plane, the equation of line l is
y = -³/₅x + 4 . If line m is a reflection of line l
over the x-axis, what is the equation of line m ?

A

B

C

D

of 22
Points:1 / 1
MATH TEST RESULTS

Test Scores	Number of Students
100	3
95	10
90	20
85	30
70	17
less than 70	20

The table above shows the results for 100
students on a Math test. Which of the following
can be determined from the information in the
table?
I. The average (arithmetic mean) score of
the test.
II. The median score of the test.
III. The mode of the test

A

B

C

D

The quadratic function graphed above has an
equation of f(x) = ax² +bx+c. Which of the
following must be true?

A

B

C

D

of 22
Points:0 / 1

In the figure above, a cylinder is inscribed in a
sphere with a radius of 10 inches. If the circular
base of the cylinder has a radius of 6 inches,
what is the length of the height of the cylinder?

C

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D

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of 22
Points:1 / 1

In the figure above, P is the midpoint of AB
and Q is the midpoint of BC . If the area of
trapezoid APQC is 20, what is the area of
△ABC?

C

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D

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of 22
Points:1 / 1

In the figure above, the sum of the numbers in
row R is the same as the sum of the numbers in
column C. What is the sum of the numbers in
row R?

A

15

B

14

C

13

D

12