Question

Help please!! Will give fan and medal!!

Answer 1

what did you need help with?

Answer 2

My algebra test need to get a passing grade.

Answer 3

okay weres the question

Answer 4

Question 1 (Multiple Choice Worth 1 points)

(09.05 MC)

Tom wants to hang a mirror in his room. The mirror and frame must have an area of 14 square feet. The mirror is 3 feet wide and 4 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

Square with an inner frame with height of 3ft on the left frame and width of 4ft on the top. Arrow on the bottom frame with an x and an arrow on the right frame with an x.

4x2 + 14x − 2 = 0
3x2 + 10x − 14 = 0
2x2 + 12x − 14 = 0
x2 + 7x − 14 = 0

Question 2 (Multiple Choice Worth 1 points)

(09.02 MC)

The function f(x) = −x2 − 5x + 50 shows the relationship between the vertical distance of a diver from a pool's surface f(x), in feet, and the horizontal distance x, in feet, of a diver from the diving board. What is a zero of f(x), and what does it represent?

x = 5; the diver jumps in the pool at 5 feet per second.
x = 10; the diver jumps in the pool at 10 feet per second.
x = 10; the diver hits the water 10 feet horizontally from the board
x = 5; the diver hits the water 5 feet away horizontally from the board

Question 3 (Multiple Choice Worth 1 points)

(07.07 MC)

Choose the correct product of (8x − 4)(8x + 4).

64x2 − 16
64x2 + 16
64x2 − 64x + 16
64x2 + 64x + 16

Question 4 (Multiple Choice Worth 1 points)

(07.02 MC)

Choose the correct sum of the polynomials (3x3 − 5x − 8) + (5x3 + 7x + 3).

8x3 + 2x + 5
2x3 − 12x − 11
2x3 + 12x − 5
8x3 + 2x − 5

Question 5 (Multiple Choice Worth 1 points)

(07.06 MC)

Choose the correct simplification of the expression (2x − 6)(3x2 − 3x − 6).

6x3 − 24x2 + 6x + 36
6x3 − 24x2 + 6x − 36
6x3 + 24x2 − 6x + 36
6x3 − 24x2 + 6x + 12

Question 6 (Fill-In-The-Blank Worth 1 points)

(09.01 MC)

The function below shows the number of car owners f(t), in thousands, in a city in different years t:

f(t) = 1.1t2 − 2.5t + 1.5

The average rate of change of f(t) from t = 3 to t = 5 is ______ thousand owners per year.

Answer for Blank 1:



Question 7 (Multiple Choice Worth 1 points)

(09.01 MC)

A biologist created the following graph to show the relationship between the temperature of water (x), in degrees Celsius, and the number of insect larvae (y) in the water:

graph of y equals minus 2 times the square of x plus 20 times x plus 400

What does the y-intercept of the graph represent?

There were 400 larvae at 0 degree Celsius.
There were no larvae at 400 degrees Celsius.
The original number of larvae in the water was 400.
The original temperature of the water was 400 degrees Celsius.

Question 8 (Multiple Choice Worth 1 points)

(06.02 MC)

Two groups of students were asked how far they lived from their school. The table below shows the distances in miles:


Group A (distance in miles) 1 1.5 3 3.2 2.8 1.5 1.8 2.5 2.2
Group B (distance in miles) 2 2.5 3.2 3 1.8 2.4 3 1.5 1.8


Which statement best compares the mean distances for the two groups?
It is equal for Group A and Group B.
It is greater for Group B than Group A.
Its value for Group A is double its value for Group B.
Its value for Group B is double its value for Group A.

Question 9 (Multiple Choice Worth 1 points)

(07.01 MC)

Choose the correct classification of 5x + 2x2 − 8 by number of terms and by degree.

Third degree polynomial
Fourth degree trinomial
Second degree trinomial
Sixth degree polynomial

Question 10 (Multiple Choice Worth 1 points)

(06.01 MC)

The following table shows the number of hours some students of a class listen to music each day:


Student A B C D E F G H I J K L M N O
Hours 0.6 0.5 2.5 2.5 1.5 2.5 0.5 1.5 1.5 2.5 2.5 2.5 1.5 1.5 1.5


Which histogram best represents the data?
histogram plots number of hours spent listening to music daily on x axis and number of students on y axis. Height of the bar in the x interval 0 to 2 is 2, height of the bar in the x interval 2 to 4 is 6 and the height of the bar in the x interval 4 to 6 is 6.
histogram plots number of hours spent listening to music daily on x axis and number of students on y axis. Height of the bar in the x interval 0 to 1 is 3, height of the bar in the x interval 1 to 2 is 6 and the height of the bar in the x interval 2 to 6 is 6.
histogram plots number of hours spent listening to music daily on x axis and number of students on y axis. Height of the bar in the x interval 0 to 1 is 1, height of the bar in the x interval 1 to 2 is 5 and the height of the bar in the x interval 2 to 3 is 5
histogram plots number of hours spent listening to music daily on x axis and number of students on y axis. Height of the bar in the x interval 0 to 2 is 11, height of the bar in the x interval 2 to 4 is 3 and the height of the bar in the x interval 4 to 6 is 1.

Question 11 (Multiple Choice Worth 1 points)

(07.01)

Choose the polynomial that is written in standard form.

2x2y2 + 3x4y + 10x6
4x4y2 + 6x3y5 + 10x
−3x8y2 + 9x2y + 10x2
−7x6y2 + x3y8 + 10x2

Question 12 (Multiple Choice Worth 1 points)

(08.03 MC)

Identify the factors of x2 − 8x − 20.

(x + 4)(x − 5)
(x + 5)(x − 4)
(x − 10)(x + 2)
(x − 2)(x + 10)

Question 13 (Multiple Choice Worth 1 points)

(06.03 MC)

A box plot was made to represent the number of matches won by 14 participants in a tennis tournament. The box plot had the box shifted to the left so that the right tail was much longer than the left tail. Based on the box plot, which conclusion is correct?

The mean and median of matches won are equal.
The mean of matches won is more than the median of matches won.
Most of the participants won many matches, but some participants won very few matches compared to the others.
Most of the participants won very few matches, but some participants won many matches compared to the others.

Question 14 (Multiple Choice Worth 1 points)

(06.05 MC)

Out of the 180 students at a summer camp, 72 signed up for canoeing. There were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing.

Use a two-way table to organize the information and answer the following question:

Approximately what percentage of students signed up for neither canoeing nor trekking?

72%
40%
54%
98%

Question 15 (Multiple Choice Worth 1 points)

(07.09)

Sarah is purchasing a shirt that is on sale for 20% off. She knows the function that represents the sale price of her shirt is s(p) = 0.8p, where p is the original price of the shirt. She also knows she has to pay 7% sale's tax on the shirt. The cost of the shirt with tax is c(s) = 1.07s, where s is the sale price of the shirt.

Determine the composite function that can be used to calculate the final price of Sarah's shirt by solving for c[s(p)].

c[s(p)] = 0.856p
c[s(p)] = 0.856sp
c[s(p)] = 1.87p
c[s(p)] = 1.87sp

Question 16 (Multiple Choice Worth 1 points)

(09.06 MC)

Based on the graph below, what is the solution to the equation f(x) = g(x)?

graph of function f of x equals negative x plus 2.5 and graph of function g of x equals x squared plus 2 multiplied by x minus 8

x = −4 and x = 2
x = −4 and x = 2.5
x = −5.1 and x = 2.1
x = −5.1 and x = 1.5

Question 17 (Multiple Choice Worth 1 points)

(08.07 MC)

Graph of a cubic polynomial that falls to the left and rises to the right with x intercepts negative 2, negative 1, and 2

Which of the following functions best represents the graph?

f(x) = x3 + x2 − 4x − 4
f(x) = x3 + 4x2 − x − 4
f(x) = x3 + 3x2 − 4x − 12
f(x) = x3 + 2x2 − 4x − 8

Question 18 (Multiple Choice Worth 1 points)

(09.02 MC)

Solve x2 + 9x + 20 = 0.

x = 2, x = 10
x = −2, x = −10
x = −5, x = −4
x = 5, x = 4

Question 19 (Multiple Choice Worth 1 points)

(06.02 MC)

The following data shows rainfall in a forest, in inches, on consecutive days of a month:

2.7, 2.6, 2.4, 2.5, 2.8, 2.6, 2.7, 2.8, 2.4, 2.3, 2.5

Which box plot best represents the data?

box plot with minimum value 2.3, lower quartile 2.4, median 2.6, upper quartile 2.7, and maximum value 2.8
box plot with minimum value 2.2, lower quartile 2.4, median 2.6, upper quartile 2.7, and maximum value 2.8
box plot with minimum value 2.3, lower quartile 2.4, median 2.5, upper quartile 2.7, and maximum value 2.8
box plot with minimum value 2.2, lower quartile 2.4, median 2.5, upper quartile 2.6, and maximum value 2.8

Question 20 (Multiple Choice Worth 1 points)

(08.05 MC)

Which polynomial is a perfect square trinomial?

25x2 − 20x − 16
9a2 − 30a − 25
25b2 − 15b + 9
16x2 − 24x + 9

Question 21 (Multiple Choice Worth 1 points)

(06.06 LC)

An equation was created for the line of best fit from the actual enrollment data. It was used to predict the dance studio enrollment values shown in the table below:


Enrollment Month
January February March April May June
Acutal 500 400 550 550 750 400
Predicted 410 450 650 650 600 450
Residual 90 −50 −100 −100 150 −50


Analyze the data. Determine whether the equation that produced the predicted values represents a good line of best fit.
No, the equation is not a good fit because the sum of the residuals is a large number.
No, the equation is not a good fit because the residuals are all far from zero.
Yes, the equation is a good fit because the residuals are not all far from zero.
Yes, the equation is a good fit because the sum of the residuals is a small number.

Question 22 (Multiple Choice Worth 1 points)

(09.04 MC)

What are the exact solutions of x2 − 5x − 7 = 0?

x = the quantity of negative 5 plus or minus the square root of 3 all over 2
x = the quantity of 5 plus or minus the square root of 3 all over 2
x = the quantity of negative 5 plus or minus the square root of 53 all over 2
x = the quantity of 5 plus or minus the square root of 53 all over 2

Question 23 (Multiple Choice Worth 1 points)

(09.01 MC)

A food packet is dropped from a helicopter and is modeled by the function f(x) = −16x2 + 14400. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds:

graph of function f of x equals 14400 minus 16 multiplied by x squared

Use the graph to determine the reasonable domain of f(x) based on the context.

0 ≤ x ≤ 30
0 ≤ x ≤ 14400
−30 ≤ x ≤ 30
All real numbers

Question 24 (Multiple Choice Worth 1 points)

(07.02)

The following table shows the length and width of two rectangles:


Length Width
Rectangle A x + 8 x − 1
Rectangle B 4x + 5 3x − 2


Which expression is the result of the perimeter of rectangle B minus the perimeter of rectangle A?
10x − 12
18x + 32
10x − 8
18x + 6

Question 25 (Fill-In-The-Blank Worth 1 points)

(09.01 MC)

The following graph describes function 1, and the equation below it describes function 2:

Function 1

graph of function f of x equals negative x squared plus 8 multiplied by x minus 15

Function 2

f(x) = −x2 + 4x + 1

Function ____ has the larger maximum.
(Put 1 or 2 in the blank space)

Numerical Answers Expected!

Answer for Blank 1:

Answer 5

Whoa I will help u but you must only post one question at a time

Answer 6

Okay
Thank you so much!!!

Answer 7

np

Answer 8

This is my first time on here is there anything i need to do other than try to do this problem.

Answer 9

lol okay so what question did u need help with

Answer 10

http://openstudy.com/study#/updates/57e2a6f5e4b0e5e04a810d92

Answer 11

truthfully All of them

Answer 12

all of your questions *

Answer 13

ok thanks

Answer 14

yw

Answer 15

and if you need help with specific question post it in a new post and tag me like this @Will.H and i will help you

Answer 16

Welcome to OpenStudy