Mathematics High School

Please help me w this an explain how you got it!.

Please Help Me W This An Explain How You Got It!.

Answers

Answer 1

Answer:

Vertex → (2, 4)

Step-by-step explanation:

Quadratic equation has been given as,

y = -x² + 4x

We rewrite this equation in the form of a function as,

f(x) = - x² + 4x

By comparing this equation with the standard quadratic equation,

y = ax² + bx + c

a = -1 and b = 4

Vertex of the parabola represented by this equation is given by [tex][-\frac{b}{2a}, f(\frac{-b}{2a})][/tex]

x coordinate = [tex]-\frac{4}{2(-1)}[/tex]

                     = 2

y-coordinate = f(2)

                     = - (2)² + 4(2)

                     = -4 + 8

                     = 4

Therefore, vertex of the given function is (2, 4)

Related Questions


Find the measurement.
1. m<1 =
2. m 2 =
NT
31°
3
3. m<3 =
4. m<4

Answers

Answer:

Its Jesus, its Jesus

Step-by-step explanation:

Jesus is always the answer

2 diminished by 7 times a number

Answers

The answer is 2-7x I'm 100% sure

I'm giving you the linear equation 3x + y = -6. Tell me the steps for how you'd graph the equation. Be as specific as possible.​

Answers

Answer: okay

Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.

Slope is : -3

Y-intercept is: (0,-6)

Please help... please

Answers

i don’t know maybe 13?
The answer is 12!!! You can tell this by looking at the smaller scale of the triangle. The width is twice as long as the length.

What is NOT included in Islamic mosaics?
A. geometric shapes
B. images of God
C. patterns

Answers

Answer:

I believe it's images of god

Answer:

the answer is the option : B

uhh I need help what is equivalent to 1 to 4 ????​

Answers

Answer:

2/8

Step-by-step explanation:

Simplify x-3/x0 that all

Answers

Answer:

undefined

Step-by-step explanation:

x=0

Answer:

the answer isundedined

Step-by-step explanation: 0

How many times dose 3/4 go into 7 1/2

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3/4 goes into to 7 1/4 6 times
His right or she’s right

What’s -9/6 divided by -1/8

Answers

Answer:

-9/6 divided by -1/8 equals 12

Step-by-step explanation:

. A negative divided by a negative is a positive so... 9/6 divided by 1/8

. To divide by a fraction, multiply by the reciprocal of that fraction so... 9/6 times 8

. Reduce the fraction with 3 so... 3/2 times 8

. Reduce the numbers with the greatest common factor 2 so... 3 times 4

. Multiply the numbers so... 3 times 4 equals 12

Imari's family lights 372 diyas (oil lamps) during the Diwali festival. They are arranged in 12 rows. Suppose each lamp measures 2.5 inches by 2.5 inches. What are the dimensions of the rectangular display of diyas?

Answers

Answer: 77.5 inches by 30 inches

Graph the solutions of the linear inequality 3x + 3y > 6 .

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here you go, i didn’t know what other way to graph it. but i used desmos!

Prove that if two crosses are equal, than each pair of crosses are equal.​

Answers

Measure them to see if they are equal.
If two crosses are equal then they’re gonna be equal.

I don’t like math. Please help

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Answer:

y - 1 = 4/5 (x + 2)

Step-by-step explanation:

the formula for point slope form is y - y = m (x - x)

if any of the number of the point is negative, then it would be a positive when in the equation. y - 1 = 4/5 (x - (+ x))

Answer:

C

Step-by-step explanation:

What are your 10 top fav social media aka tt dances? Winner gets BRAINLIST!
(i will choose by the best top 10) CHOOSE WISELY
tt stand for the popular social media we all know and love.( sadly BRAINLY wont let me write it)

Answers

Answer:

1. renegade

2. tap in

3. blinding lights

4. say so

5. wap

6. what you know about love

7. savage love

8. party girl

9. all about cake

10. go daddy go,

Please help please please please 6a-4(2a+3)

Answers

Answer: I think it's 19a? I'm not 100% sure sorry

Step-by-step explanation:

Ebuka's monthly rent is \$750$750dollar sign, 750. If Ebuka pays the rent late, his landlord charges 4\%4%4, percent interest per week that the payment is late.

Answers

Answer: R(t) = 750 + 0.04t

Step-by-step explanation:

Here's the complete question:

Ebuka's monthly rent is $750. If Ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. Write a function that gives the total cost R(t), in dollars, of Ebuka's rent if he pays it t weeks late.

The above question will be represented by:

R(t) = $750 + (4% × t)

R(t) = 750 + (4/100 × t)

R(t) = 750 + 0.04t

Erica and Dana are collecting canned food to donate to a local charity. This morning, Dana had twice as many cans as Erica. Then Dana collected 8 more cans. If Dana has 42 cans of food. How many cans of food does Erica have? (Let e represent the number of cans of food Erica has).

Answers

Answer:

its 42÷2= 21 i think

Step-by-step explanation:

because dana has twice the nb of cans erica has so it dana has 48 then erica has the half number

What is the equation of the line?
y= 1/2x-4
y = 2x + 2
y = 2x - 4
y =1/2x+2

Answers

the answer is y=1/2x+2

Explanation:
When you do rise over run you get 1/2. For the y-intercept you can see the line touches 2 so the y-intercept is 2.
last one, .............

What is the equation of the line that passes through the point (4,-3)(and has a slope of 11?

Answers

Answer: -3 = 11(4) + b

Step-by-step explanation: y = mx + b, -3 is the y, 11 is the slope (m), 4 is the x, b is the y-intercept which is unknown unless you solve for it.

When looking at sides AC and CB, what is the included angle?
Question 22 options:







Answers

Answer:

64 degrees

Step-by-step explanation:

since it is in between the both of them and they both share the 62 degree angle

64! i think so lolllll

What's up extras? I need help with this question!

If f(1) = 160 and f(n + 1) = –2f(n), what is f(4)?

Brainliest if you're correct!!

Answers

Ah! It's me! I lost my password-

I'm kAtSuKiBaKuGo02 qmp

Answer: f(4)=-1280

Step-by-step explanation:

Simplify the expression and combine lime terms
. 2(x + 6) + 3x + 4​

Answers

Answer:

5x+16

Step-by-step explanation:

2(x + 6) + 3x + 4​

Distribute

2x+ 2*6 + 3x+4

2x+12 + 3x+4

Combine like terms

2x+3x     +12 +4

5x+16

Answer:

5x+16

Step-by-step explanation:

Solve And Graph 12 + 6 _> 42

Answers

Answer:

Steps

12+6>42

simplify

18>42

There for the solution us FALSE

what is 350/100 as a fraction and decimal?

Answers

Answer: 350/100 as a decimal equals 3.5

Step-by-step explanation:

can anyone answer 7(x+3) and show work ?

Answers

Answer:

7x + 21

Step-by-step explanation:

7(x+3)

7x + 7(3)

7x + 21

7(x+3)
step 1: distribute the 7 to ALL the numbers in the parenthesis
7(x)= 7x
7(3)= 21
so your answer= 7x+21

if I buy 54 packs of cookies and 15 cookies are in each pack how many cookies do I have all together?!!?!?!

Answers

Answer:

810

Step-by-step explanation:

54x15=810.

hope this helps

Step-by-step explanation:

54 x 15 = 810

all you have to multiply

Do the ratios 2/1 and 20/10 from proportion?

Answers

yes !! i believe so :))


Andie has a goal to complete 70% of the jumps on a skateboard course. If she has completed 30 jumps out of 50
total jumps, how many more jumps does Andie need to complete to reach her goal?

Answers

Answer:

50/100 X 70 = 35

Andie needs to do 5 more jumps.

if angle 4 =2x+7 and. angle 8 =3x-13 find x for both equations ​

Answers

Answer:

2x +3x =7-13=4+8

Step-by-step explanation:

5x= -6= 12

Pls help it due ASAP
Show workings
Pleaseeeeeeeeeeeee

Answers

D
5 + 29 = 34/2 = 17
7 - 15 = -8/2 = -4
(17,-4)
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