Logo SHub
hint-header

of 22 Points:1 / 1 (Hình ảnh) The quadratic function graphed above has an equation of f(x) = ax 2  +bx+c. Which of the following must be true?

Cập nhật ngày: 01-08-2024

Chia sẻ bởi: Nguyễn Đăng An

of 22
Points:1 / 1

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

A

a > 0

B

b > 0

C

b < 0

D

c < 0
Chủ đề liên quan

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

Đăng nhập để xem đáp án

D

Đăng nhập để xem đáp án

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

Đăng nhập để xem đáp án

D

Đăng nhập để xem đáp án

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
Which of the following functions best represents the graph shown above?

A

y = x2 - 8x + I4

B

y = x2 + 8x + 14

C

y=-x2 + 8x + I4

D

y = ∣x2 - 8x + 14∣
of 22
Points:1 / 1

In the figure above, the areas of the two shaded
triangles are equal. If ∠POP' = 90° , which of
the following could be the coordinates of point
P'?

A

(2, -5)

B

(-2, 5)

C

(-5,-2)

D

(-5,2)
of 22
Points:1 / 1

In the figure above, the diameter of semicircle
P is twice the diameter of semicircle Q . If the
area of semicircle P is 12π , what is the area of
semicircle Q ?

A

8π

B

6π

C

3π

D

6
of 22
Points:1 / 1

In the figure above, △ABC and △ADC are
isosceles triangles. If AB = AD = BD = 10 ,
what is the ratio of BD to AC ?

A

1/√ 2 

B

2/√ 2 

C

1/√ 3 

D

2/√ 3 
of 22
Points:1 / 1

The figure above shows two views of the same
cube. If each face of the cube has a different
symbol on it, how many faces of the cube have
NOT been shown in either view?

A

One

B

Two

C

Three

D

Four
of 22
Points:1 / 1
Mr. Lopez can clean the house in 5 hours. His
son, Carl, can clean the house in 10 hours. How
long will it take them to clean 2/3 of the house, in
hours, if they work together?

A

2

B

22/9

C

3

D

4
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.
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

of 22
Points:1 / 1

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

C

Đăng nhập để xem đáp án

D

Đăng nhập để xem đáp án

of 22
Points:1 / 1

 

C

Đăng nhập để xem đáp án

D

Đăng nhập để xem đáp án

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