Please help me I'm so bad at math and doing AFDA really doesn't help.. Its quadratic equations matching solution sets.

Please Help Me I'm So Bad At Math And Doing AFDA Really Doesn't Help.. Its Quadratic Equations Matching

Answers

Answer 1

Answer:

[tex](a)\ x + 4 = \±\sqrt9[/tex] ---- [tex]x =\{-7,- 1\}[/tex]

[tex](b)\ x - 4 = \±\sqrt9[/tex] ---- [tex]x = \{1,7\}[/tex]

[tex](c)\ x + 3 = \±\sqrt{16}[/tex] ----- [tex]x = \{-7,1\}[/tex]

[tex](d)\ x - 3 = \±\sqrt{16}[/tex] ---- [tex]x = \{-1,7\}[/tex]

Step-by-step explanation:

Given

The attached equations

Required

Match each with the solution

[tex](a)\ x + 4 = \±\sqrt9[/tex]

Take the square root of 9

[tex]x + 4 = \±3[/tex]

Solve for x

[tex]x =- 4 \±3[/tex]

Split

[tex]x =\{- 4 -3,- 4 +3\}[/tex]

[tex]x =\{-7,- 1\}[/tex]

[tex](b)\ x - 4 = \±\sqrt9[/tex]

Take the square root of 9

[tex]x - 4 = \±3[/tex]

Solve for x

[tex]x = 4 \±3[/tex]

Split

[tex]x = \{4 -3,4+3\}[/tex]

[tex]x = \{1,7\}[/tex]

[tex](c)\ x + 3 = \±\sqrt{16}[/tex]

Take the square root of 16

[tex]x + 3 = \±4[/tex]

Solve for x

[tex]x =- 3 \±4[/tex]

Split

[tex]x = \{-3-4,-3+4\}[/tex]

[tex]x = \{-7,1\}[/tex]

[tex](d)\ x - 3 = \±\sqrt{16}[/tex]

Take the square root of 16

[tex]x - 3 = \±4[/tex]

Solve for x

[tex]x =3 \±4[/tex]

Split

[tex]x = \{3-4,3+4\}[/tex]

[tex]x = \{-1,7\}[/tex]


Related Questions

Help me!!
I’ll return the favour

Answers

Answer:

Sin A = 15/17 = 0.8823529411....

Cos A = 8/17 = 0.4705882352...

Tan A = 15/8 = 1.875

Step-by-step explanation:

SOH CAH TOA!!!!

38% of what number is 171?

Answers

Answer:

450

Step-by-step explanation:

We know that 171 is 38%, since they are trying to find the number which is 100%.

38% = 171

1% = 171 ÷ 38 = 4.5

100% = 4.5 x 100 = 450

Hurry The mass of a standard hockey puck
must be at least 156 grams. What is
this weight in kilograms

Answers

Answer:

.156 kg

Step-by-step explanation:

The conversion from grams to kilograms is kg = g/1000

156/1000 = .156

A graph shows the survey results for a group of students who
were asked how many honors classes they have taken and
how many elective classes:
Class Choices
Number of Elective Classes
0
lo 1 2 3
4
5 6 7 8
9 10 11
Number of Honors Classes
How many elective classes would students likely have taken if
they have taken 12 honors classes? (4 points)

Answers

Answer is 10 so yeah your welcome

Solve for x given the picture
I need an explanation
Will mark brainliest

Answers

Answer:

C. 10

Step-by-step explanation:

all the other answers are negative so the triangle would be impossible to make

Brainiest as promised pls

Which figures can have all of the properties shown below

Answers

Answer:

quatrolatiral, square, rectangle

geometry homework!!
A cylinder is shown below.

Answers

It should be the first one since I got 245.0442 which is the closest to it

Answer: 244. 92 cm

Step-by-step explanation:

The surface area formula for a cylinder is written as SA = 2πrh + 2πr^2

The dimensions of the cylinder has a length of 6 cm diameter and a height of 10 cm. Radius is basically half of the diameter, so 3 cm. We use these numbers to substitute into the formula.

SA = 2π(3)(10) + 2π3^2

SA = 2π(30) + 2π(9)

SA = 60π + 18π

SA = 78π

SA = 245.044 cm

244.92 is close enough to 245.004, so 244.92 is the answer.

1.Charlie buys two circular pizzas.
The first pizza has a 12- The second pizza has a
inch diameter
14-inch diameter.
How much greater, in square inches, is the area of the second pizza than the first pizza?
Round your answer to the nearest tenth

Answers

Answer:

Step-by-step explanation:

CO Use the following coordinate plane to write the ordered pair for each point​

Answers

Answer:

A. (0,4)

B. ( 0,-3)

C (-1,1)

Step-by-step explanation:


A farmer is trying to decide how many acres of land he has planted by
finding the area, A, of his plot. x represents a measuring chain he is
using. If the plot has length (5x – 3) and width (2x + 7), which of the
following is the area in terms of x?
F 10x2 + 41x-21
H 10x2 + 29x - 21
G. 7X2 + 7x + 4
J. x2 - 6x +4

Answers

Answer:

H

Step-by-step explanation:

(5x-3) x (2x+7)

10x^2 + 35x - 6x - 21

10x^2 + 29x - 21

In ΔQRS, s = 980 cm, r = 300 cm and ∠R=34°. Find all possible values of ∠S, to the nearest 10th of a degree.

Answers

Answer:

S=sin −1 (1.8266968)=ERROR

No possible triangles

Step-by-step explanation:

Jamal can run 0.5 miles in 4 minutes. If he keeps the same pace and runs for 14.4 minutes, how many miles will he have run?

Answers

Answer:

1.8

Step-by-step explanation:

First, we calculate the speed. That is 0.5/4. Then we multiply by the min. he ran which is 14.4. The answer gets you to 1.8

By the way, can you follow me on Brainly?

Thanks!

Answer:

14/4=3.5

3.5x0.5=1.75 miles

He will have run 1.75 miles

A burrito was cut into 6 equal pieces. If Carmen ate 2/6of the burrito, and Chris ate 1/6of the burrito,
how many whole pieces of the burrito are left?

Answers

Answer:

3/6 peices are left

Step-by-step explanation:

A circular patio has a radius of 4 yards. The patio is expanded so that the
radius increases by 2 yards. By how many square yards does the area of the
patio increase?

Answers

Answer:

20pi or 62.83

Step-by-step explanation:

when r=4

pi r^2

16pi

when r=6

pi r^2

36pi

36pi-16pi=20pi or 62.83

The table below shows the amount of rainfall in Maryville during each week of April. What was the total amount of rainfall in the month of April?
Week 1: 2 2/3
Week 2: 1/8
Week 3: 1 3/4
Week 4: 1/2

Answers

Answer:

Step-by-step explanation:

Just add the fractions after finding the common denominator  3 times 8 = 24

Please check my math and typing for accuracy.

Week 1: 2 2/3       =  8/3  x  8/8            =   64/24

Week 2: 1/8          =  1/8   x  3/3            =   3/24

Week 3: 1 3/4       =  7/4  x  6/6            =   42/24

Week 4: 1/2          =   1/2  x  12/12         =   12/24

                                                              =   (64+3+42+12)/24

                                                              =    121/24        24 times 5 = 120

                                                              =    5 1/24

4) You are making a batch of cookies. Each batch uses 3 cups of flour and will give 7 servings. You
are going to multiply your recipe to offer more servings, so you use 11 cups of flour. How many
servings will you actually be able to offer?
a. 22
b. 25
31
d. 38
C.
rolexing and upsetting. For at that time I had already

Answers

Answer:

B is correct

Step-by-step explanation:

Help for 20 points please

Answers

I think that the answers to this question is going to be B

Answer:

The Answer is 12 - 15= 129

Step-by-step explanation:

x2−15=129

Step 1: Add 15 to both sides.

x2−15+15=129+15

x2=144

Step 2: Take square root.

x=±√144

x=12

If a car's cost, when new, is
$15,000, the rate of
depreciation is 30%, how
much will the car be worth in
6 years?

Answers

Answer:

$27 000

Step-by-step explanation:

15 000*30*6÷100

=$27 000

Which of the following choices shows the proper use of the distributive property?
оооо
-2(6x - y) = -12x + 2y
-2(6x - y) = 12x + 2y
-2(6x - y) = 12x - 2y
-2(6x - y) = -12x - 2y
What’s the answer

Answers

Answer:

[tex]-2(6x - y) = -12x +2y[/tex]

Step-by-step explanation:

Required

Which shows distributive property

Distributive property states that:

[tex]a(b + c) = a * b + a * c[/tex]

So, the solution to -2(6x - y) is:

[tex]-2(6x - y)[/tex]

Open bracket

[tex]-2(6x - y) = -2 * 6x -2 *-y[/tex]

[tex]-2(6x - y) = -12x +2y[/tex]

(a) is true

What is the equation of the line shown in the graph at the right?

Answers

the answer is c, because the slope is -3/2 if you use rise over run.

After sitting out of a refrigerator for a while, a turkey at room temperature (69°F) is
placed into an oven. The oven temperature is 300°F. Newton's Law of Heating
explains that the temperature of the turkey will increase proportionally to the
difference between the temperature of the turkey and the temperature of the oven, as
given by the formula below:
T = Ta + (T. – T.)e-kt
Tg = the temperature surrounding the object
To = the initial temperature of the object
t= the time in hours
T = the temperature of the object after t hours
k = decay constant
The turkey reaches the temperature of 127°F after 3 hours. Using this information,
find the value of k, to the nearest thousandth. Use the resulting equation to
determine the Fahrenheit temperature of the turkey, to the nearest degree, after 5
hours.
Enter only the final temperature into the input box.

Answers

Answer:157

Step-by-step explanation:

What is the volume of the square pyramid, in cubic inches?

Answers

The volume is 648 in³.

V = (a)² h/3
V = (9)² 24/3
V = (81) 24/3
V = 1944/3
V = 648 in³

im almost done with this hw. plz help!!! give explanation if you actually know the answer so ik u dont just want points

Answers

Answer:

B

Step-by-step explanation:

X = {0, 10, 100, 1000}

Y = {100, 1000}

Answers

Answer:

What is The question?

Step-by-step explanation

I will help


Which linear equation is written in slope-intercept form?

Answers

Answer:

Where is the question. and answer choices

Answer choice B is written in slope intercept form.

What is 1.827 rounded to the nearest tenth

Answers

Answer:

1.8

Step-by-step explanation:

Answer:

1.8

Step-by-step explanation:

decimals go tenth hundredth thousandth ten thousandth hundred thousandth millionth ten millionth and so on

The ratio below shows the relationship between the weight of apples purchased and the total cost of the apples. 1 lb = $2 / 4 lb = $8 / 6 lb = $12 / 10 lb = $20 When the weight of apples is increased by a factor of 4, by what factor does the total cost increase? *
Mark only one oval.
A. 4
B. 3
C. 6
D. 8

Answers

Answer:

D

Step-by-step explanation:

Answer: Is D
Not exactly sure how to explain thou

Which expression is equivalent to 5c + 3c?

Answers

the correct Number is 8c

What is 38,807 rounded to the nearest thousand?

Answers

Answer:

that would be 39,00

Step-by-step explanation:

Answer:

39,000

Step-by-step explanation:

807 is closer to 1,000 then 0 so add another 1,000.

Have a great day!

What is number 61 and a step by step explaination please?

Answers

1/3 ln(x) + ln(2) - ln(3) = 3

Recall that [tex]m\log_b(n)=\log_b(n^m)[/tex], so

ln(x ¹ʹ³) + ln(2) - ln(3) = 3

Condense the left side by using sum and difference properties of logarithms:

[tex]\log_b(m)+\log_b(n)=\log_b(mn)[/tex]

[tex]\log_b(m)-\log_b(n)=\log_b\left(\dfrac mn\right)[/tex]

Then

ln(2/3 x ¹ʹ³) = 3

Take the exponential of both sides; that is, write both sides as powers of the constant e. (I'm using exp(x) = e ˣ so I can write it all in one line.)

exp(ln(2/3 x ¹ʹ³)) = exp(3)

Now exp(ln(x)) = x for all x, so this simplifies to

2/3 x ¹ʹ³ = exp(3)

Now solve for x. Multiply both sides by 3/2 :

3/2 × 2/3 x ¹ʹ³ = 3/2 exp(3)

x ¹ʹ³ = 3/2 exp(3)

Raise both sides to the power of 3:

(x ¹ʹ³)³ = (3/2 exp(3))³

x = 3³/2³ exp(3×3)

x = 27/8 exp(9)

which is the same as

x = 27/8 e

Other Questions
Chris has 15 comic books about the Avengers. He goes to the comic book store and after he leaves, he now has 20 Avengers comics. What is Chris percent increase in Avenger comics? Why might scientists be interested in using algae for biofuel production? What did some men demand from William's father? 6th grade math13: what is the measure of angle y?14: what is the measure of angle x?15: what is the measure of angle z? The first published controlled experiment was designed to A. disprove bacteria appearing spontaneously from broth B. prove that bacteria arise spontaneously from broth C. disprove maggots spontaneously arising from rotting meat D. disprove cell theory can somebody help me pleaseeeeeee ? can you pick which one it is ? Select the correct answer.Choose the correct possessive pronoun to use in place of the highlighted word(s).The baseball gloves are the teamsA.theirsB.hisC.oursD.yours WILL GIVE BRAINLIEST IF BOTH QUESTIONS ARE CORRECT!!! Select all names that apply to the number. The length of the side of a square that has an area of 77 square yards.A realB wholeC rationalD irrationalE integer Could someone help me with my assignment plz What is the difference between demand and supply curve? 6In some parts of Alaska, the sun sleeps for two straight months. This is an example of whatfigurative language device? *(1 Point)O Simile.MetaphorO PersonificationHyperbole Answer please and explain Please Help Me!! Will Give Brainliest!!! Makayla has $8 to buy tickets at the school fair. Each ticket costs $1.50. Which inequalitybest represents how many tickets she can buy?n = number of tickets At baseball camp, Freddie got a hit 15%of the times that he was at bat. Basedon this information, which is the bestprediction of the number of hits Freddiewill have in 40 times at bat? A 25B 15C 15D 14 PLEASE HELP Consider the equation. 28 + 21 = 7(4 +? ) Enter the unknown number that makes the equation true. Some plants lose their leaves and go dormant during hot, dry summers. What happens to these plants' life processes during dormancy? How does this help the plants survive? Tiffany works in a phone store and earns a commission of 21% on all her sales. If she sells $27,000 worth of cell phones this month, how much will her commission be? A/an __________ is a well-known story of adventure, quests, gods and goddesses, monsters, heroic deeds, and important historical events and people that has been passed down through many years and is still enjoyed today. A.myth B.play C.poem D.essay