Mathematics High School

HELP I NEED HELP ASAP

Which choice is the graph of y=(4-x)(x+2)?

HELP I NEED HELP ASAPWhich Choice Is The Graph Of Y=(4-x)(x+2)?

Answers

Answer 1

Answer:

The answer is D.

Step-by-step explanation:

the points on the graph are, (-2,0), (0,8), (1,9) and (4,0).

Answer 2

Choice D is the correct graph for y = (4-x)(x+2)

What is a parabola?

'A parabola refers to an equation of a curve, such that a point on the curve is equidistant from a fixed point, and a fixed line.'

According to the given problem,

y = (4 - x)(x+2)

⇒ y = 4x - x² - 2x + 8

⇒ y = -x² + 2x + 8

⇒ y = -(x² - 2x + 1 - 1) + 8

⇒ y =  - (x² - 2x + 1) +1 +8

⇒ y = -(x-1)² + 9

We know, this is in the form of y = a(x-h)²+k , where (h , k) is the vertex of the parabola.

Therefore the vertex of the given parabola has to be at (1,9)

The vertex of parabola at choice D is at (1,9)

Hence, we can conclude that the graph at choice D shows the vertex of the parabola at (1,9)

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Related Questions

Which of the following are the most compatible numbers for dividing 8,652 = 45?​

Answers

Answer:

2

Step-by-step explanation:

None of the given numbers are compatible for dividing 8,652 by 45.

What are compatible numbers?

Compatible numbers seem numbers that are simple to work with mentally and can be utilized to estimate or validate mathematical solutions. Compatible numbers are frequently selected based on how close they are to the numbers involved in the situation.

We can utilise divisibility principles to remove some alternatives when determining which integers are the most compatible for dividing 8,652 by 45.

The divisibility rule for 45 states that a number has to be divisible by both 9 and 5. As a result, we want to identify 9 factors that also divide 8,652.

The divisibility rule for 9 states that the sum of a number's digits must be divisible by 9 in order for the number to be divisible by 9.

So, add the figures 8,652 together: 8 + 6 + 5 + 2 = 21.

We can't divide 8,652 by 45 evenly since 21 isn't divisible by 9.

Therefore, none of the given numbers are compatible for dividing 8,652 by 45.

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A two-sample t-test for a difference in means was conducted to investigate whether there is a statistically significant difference in the average amount of fat found in low-fat yogurt and the average amount of fat found in nonfat yogurt. With all conditions for inference met, the test produced a test statistic of t=2.201 and a p-value of 0.027.

Based on the p-value and a significance level of α=0.05, which of the following is the correct conclusion?

Answers

Answer:

Step-by-step explanation:

its B darling

Answer as many as you can pleaseeeeeee

Answers

Answer:

8. G 9. C 10. G 11. A 12.?

Step-by-step explanation:

Complete the equation below to make an equation that is equal to 1

Answers

Answer:

2/5+3/5=5/5 or is = 1

Step-by-step explanation:

2/5 + 3/5 = 5/5 or is = 1

Work out the size of angle x forty two degrees and one hundred and one hundred and twenty three degrees

Answers

Answer:

x = 28

Step-by-step explanation:

With 3 angles I'm guessing its a triangle so all triangles equal 180 degrees

42 + 110 = 152

180 - 152 = 28

please help with this one! 7th grade math

Answers

Answer:

.25

Step-by-step explanation:

400 cents ÷ 4= 100 and 1/4 of 100 is 25 so it .25

Find the circumference of this circle.

47cm

3.14

30cm

15cm

Answers

Answer:

47 cm im nnot sure

Step-by-step explanation:

If a tire has a diameter of 20 inches, how far will the tire travel in one full rotation?
A) 20.0 inches
B) 62.8 inches
C) 125.6 inches
D) 314.0 inches

Answers

Answer:

B.62.8 inches

Step-by-step explanation:

just multiply the diameter by pi to get the circumference

20 x 3.14= 62.8

Please help!!!!im struggling!!!!!!!!!

Answers

Answer:

the answer is the second one

Step-by-step explanation:

have a great day :)

What is the value of log 6 36?

Answers

Answer:

2

Step-by-step explanation:

Logarithm base 6 of 36 is 2 .

Alicia receives $\frac25$ of a $\$120$ gift, and Jason receives $\frac13$ of the gift. What is the ratio of Jason's share to Alicia's share? Express your answer as a common fraction.

Answers

I really don’t even know so Jesus loves u don’t give up 12345678910

43x28 what is the whole problem to solve it

Answers

Answer:

Step-by-step explanation:

43x28=1204

Answer:

1,204

Step-by-step explanation:

43(28) = 1,204

Ali earned $341 on Friday . If she was paid $22 per hour for the first 8 hours and time and a half for each overtime hour, calculate the number of hours she worked overtime.​

Answers

Answer:

she worked 7.5 hours of over time

Step-by-step explanation:

22x8=176

341-176=165

165/22=7.5

This box is packed with cubes that measure one cubic foot.
Enter the volume of the box in cubic feet.

Answers

Answer:

81

Step-by-step explanation:

How many integer values for 'a' satisfy the inequality?

Answers

Answer: the image is blurry

Answer:

im doing this problem it kinda hard

Step-by-step explanation:

A local restaurant places tissue-paper liners in baskets for yeast rolls. A diagram of this liner is shown below. About how many square centimeters of tissue paper are needed to make one liner?

Answers

Answer: 379.2 cm2

Step-by-step explanation:

ASAP What is this ill give brainiest

Answers

Answer:

1.  d = 2t

2. d = 2 (13)     d = 26 meters

3. I added the graph in a file

Raj, Amit, Parul, and Lara were asked to find the volume of the following cones.

Raj
Amit
Parul
Lara
A cone with diameter of 5 centimeters and height of 3 centimeters. A cone with a radius of 3 centimeters and height of 4 centimeters. A cone with a height of 7 centimeters and Base = 4 pi centimeters squared. A cone with a height of 6 centimeters and Base = 3 pi centimeters squared.

Whose cone has a volume closest to 9 pi centimeters cubed?
Raj
Amit
Parul
Lara

Answers

Answer:

Option C is correct Parul is closest to 9 pi centimeters cubed!!!

Have a Great Day!!!!

Answer:

I would believe it would be the answer C parul

sorry if im wrong

what is 2+5+2+4? what is the sum

Answers

Answer:

13

Step-by-step explanation:

add 2 and 5

add 2 and 4

add 7 and 6

13

Answer:

13

Step-by-step explanation:

please help!! :) .....

Answers

Answer:

*helps*

Step-by-step explanation:

done (:P)

simple question: what is 2+2​

Answers

Answer:

4

Step-by-step explanation:

4 h h fuokhvg njjjj

Please explain i don’t get it

Answers

a) (2,1)
i forgot what to do for B it’s been a while but i hope this helps :)

how would you factor (x^2-4x+4)?

Answers

Answer:

[tex] \huge \boxed{ \boxed{ {(x - 2)}^{2} }}[/tex]

Step-by-step explanation:

to understand thisyou need to know about:factoringPEMDAStips and formulas:(a-b)²=a²-2ab+b²let's solve:rewrite the given expression:(x)²-2.2x+(2)²(x-2)²

and

we are done

The factor form of this expression would be (x-2)^2
(x)^2-2(2)(x)+(2)^2

what's the value of given expression

[tex] \sqrt{1 \times 1} [/tex]
​

Answers

Answer:

1

Step-by-step explanation:

1st step : multiple the number inside square root

1 x 1 =1

so then think about which time 1 will give you 1

that will 1

Answer:

√{1×1}=√1=±1 is your answer

PLEASE HELP DUE TODAY!! WILL GIVE BRAINLINESS!!
Explain how to use the unit-factor method to convert 120 pounds to kilograms.

Hint: 1 kilogram=2.2 pounds

To write the unit factors, use the / symbol, like this: 1 gallon/3.79 liters.

Answers

The converted units is 120 pounds = 54.5 kilogram

How to convert the units?

As a general rule, we have:

1 kilogram=2.2 pounds

Multiply both sides by 120

120 * 1 kilogram=2.2 pounds * 120

Divide both sides by 2.2

120/2.2 * 1 kilogram=2.2 pounds * 120/2.2

Evaluate the products

54.5 kilogram= 120 pounds

Rewrite as:

120 pounds = 54.5 kilogram

Hence, the converted units is 120 pounds = 54.5 kilogram

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what is the answer to -3/7 × 3/8 ???????///

Answers

Answer:

Exact Form:

−9/56

Decimal Form:

−0.16071428

Step-by-step explanation:

help!!!!!!!!!!!!!!!!!!!
The volume of this cylinder is approximately ___ cubic cm.


Use ​ ≈ 3.14. Do not round your answer.

Answers

Answer:

Step-by-step explanation:

area of a cylinder = (area of a circle) times the (height)

area of a cylinder = π radius² × height

            radius = 57 cm        height = 40 cm

area of a cylinder  =   π 57² cm² × 40 cm

                              =   π (57² × 40) cm³

                              =   π ( 57 × 57 × 40) cm³             57x57 = 399 + 2850 = 3249  

                              =   π (3249 × 40) cm³

                              =    129969π cm³      π = 3.14

                              =    129969 × 3.14  cm³

                              =    408,074.4 cm³       < -----------------   Final Answer

Can someone pls help me with 25 26 and 28

Answers

the missing number is 27

HELPPP!!!
find the value of each expression then answer the questions.

Answers

1
-1
2
-2
3 hope it’s right

What is the place value of the 6 in the number 8405.236?

Answers

10 negative 3 because it going back
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