f(x)=x^2+3x-2 find f(-2)

Answers

Answer 1

Answer:

-12

Step-by-step explanation:


Related Questions

please help!! im confused

Answers

Answer:

6x+3

yep hellooo he looo hey it's sksksn she's. d e s f e. s

Answer:

im confused as if the question but,

you know what to do and if you want you can post more of the question if there is more but ye,

your welcome

Step-by-step explanation:

x=2(for the example)

so,

2+3+5x2=

PEMDAS

5x2=10

2+3=5

soo,

10+5=15

What is the image of (-4, 7) after a dilation by a scale factor of 3
centered at the origin?

Answers

Answer:

(-12, 21)

Step-by-step explanation:

You would multiply the coordinates by 3

determine the measure of each segment then indicate whether the statements are true or false

Answers

Answer:

[tex]d_{AB}\ne d_{JK}[/tex]

[tex]d_{AB}\ne \:d_{GH}[/tex]

[tex]d_{GH}\ne \:d_{JK}[/tex]

Therefore,

Option (A) is false

Option (B) is false

Option (C) is false

Step-by-step explanation:

Considering the graph

Given the vertices of the segment AB

A(-4, 4)B(2, 5)

Finding the length of AB using the formula

[tex]d_{AB}\:=\:\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex]

        [tex]=\sqrt{\left(2-\left(-4\right)\right)^2+\left(5-4\right)^2}[/tex]

         [tex]=\sqrt{\left(2+4\right)^2+\left(5-4\right)^2}[/tex]

         [tex]=\sqrt{6^2+1}[/tex]

         [tex]=\sqrt{36+1}[/tex]

        [tex]=\sqrt{37}[/tex]

[tex]d_{AB}\:=\sqrt{37}[/tex]

[tex]d_{AB}=6.08[/tex] units        

Given the vertices of the segment JK

J(2, 2)K(7, 2)

From the graph, it is clear that the length of JK = 5 units

so

[tex]d_{JK}=5[/tex] units

Given the vertices of the segment GH

G(-5, -2)H(-2, -2)

Finding the length of GH using the formula

[tex]d_{GH}\:=\:\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex]

         [tex]=\sqrt{\left(-2-\left(-5\right)\right)^2+\left(-2-\left(-2\right)\right)^2}[/tex]

          [tex]=\sqrt{\left(5-2\right)^2+\left(2-2\right)^2}[/tex]

          [tex]=\sqrt{3^2+0}[/tex]

           [tex]=\sqrt{3^2}[/tex]

[tex]\mathrm{Apply\:radical\:rule\:}\sqrt[n]{a^n}=a,\:\quad \mathrm{\:assuming\:}a\ge 0[/tex]

[tex]d_{GH}\:=\:3[/tex] units

Thus, from the calculations, it is clear that:

[tex]d_{AB}=6.08[/tex]  

[tex]d_{JK}=5[/tex]

[tex]d_{GH}\:=\:3[/tex]

Thus,

[tex]d_{AB}\ne d_{JK}[/tex]

[tex]d_{AB}\ne \:d_{GH}[/tex]

[tex]d_{GH}\ne \:d_{JK}[/tex]

Therefore,

Option (A) is false

Option (B) is false

Option (C) is false

easy question/ whats |9x|=-9

Answers

Answer:

you divide 9 from both side and get x=-1

Step-by-step explanation:

Big brain stuff

x=1 Thats  the answer

The Bootle Corporation paid Leslie a quarterly dividend check for $828. Leslie owns 450 shares of Bootle. What was the quarterly dividend for one share of Bootle?

Answers

Quarterly dividend for 450 shares = 828
Quarterly dividend for 1 share = 828/450 =1.84

Hoped I help! Mark me brainly if I’m correct or would help a lot! Have a nice day!:)

pleaseeee helpppppp !!!!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answers

Answer:

6.85565

Step-by-step explanation:

Use your trendline to find the temperature of your Spaghettios after 40 minutes. Is this an example of interpolation or extrapolation?

NEED HELP ASAP WITH SHOWN WORK!!!!!!!!!!!!

Answers

Answer:

in 40 minutes, 15 degrees Farenheit  will be e

Step-by-step explanation:

What is the exponential form of the expanded form below? 10.10.10.10.10. A 5.10 B 5)10 C 10)1. D 10)5 ​

Answers

Answer:

the answer is D

Step-by-step explanation:

Answer: D AKA (10*5)

Step-by-step explanation:

I took the test on edge 2020 and it was correct!! and 10 5 times would make more sense being D which is 10*5

STAY SAFE :)

What is the least common denominator of 11/6 and 9/10?

Answers

Answer:

The least common denominator is 30

Step-by-step explanation:

Answer:

30

Step-by-step explanation:

the least common multiple ( L.C.M ) of 6 and 10 = 30

You are at a festival and notice a lady is making winter wear by knitting. She sells five hats and three scarves for a total cost of $99 while three hats and five scarves cost $85. What is the cost of one hat and one scarf

Answers

Answer:

Cost of Hats = $15

Cost of Scarves = $8

Step-by-step explanation:

Let

Cost of Hats = x

Cost of Scarves = y

5x + 3y = 99 (1)

3x + 5y = 85 (2)

Multiply (1) by 5 and (2) by 3

25x + 15y = 495

9x + 15y = 255

Subtract

25x - 9x = 495 - 255

16x = 240

Divide both sides by 16

x = 240 / 16

= 15

x = $15

Substitute x = 15 into

5x + 3y = 99

5(15) + 3y = 99

75 + 3y = 99

3y = 99 - 75

3y = 24

y = 24/3

= 8

y = 8

Cost of Hats = $15

Cost of Scarves = $8

Examine the sequence of integers below.
26, 17, 8, -1, -10, -19
Which algebraic expression represents the nth integer in this sequences

Answers

Answer:it’s D

Step-by-step explanation:

Each time u subtract -9 and it keeps multiplying 9,18,27

An algebraic expression represents the nth integer in the given sequences is 35-9n.

Given that, the sequence of integers 26, 17, 8, -1, -10, -19.

What is an algebraic expression?

An algebraic expression (or) a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division, etc.

From the given sequence 26, 17, 8, -1, -10, -19 we have a=26 and d=17-26=-9.

Now, put a=26 and d=-9 in an=a+(n-1)d, we get

an=26+(n-1)(-9)

=26-9n+9

=35-9n

Therefore, an algebraic expression represents the nth integer in the given sequences is 35-9n.

To learn more about the arithmetic sequence visit:

https://brainly.com/question/10396151.

#SPJ5

You buy five books that are equal in
price and a DVD for $8. Your tal
comes to $26.50. Write an equation
that would help you determine the cost
of one book.

Answers

Answer:

26.50 - 8 = 18.50 then divide by 5

Step-by-step explanation:

this equation will help u find the exact amount of one book

Each blank on the coordinate plane has an address called the blank,blank

Answers

Answer:

adress, Like ( make up an adress)

Step-by-step expanation:

Answer:

Each point on the coordinate plane has an address called the ordered pair.

Step-by-step explanation:

Write 968,000 in scientific notation.
A. 968 × 103
B. 96.8 × 102
C. 9.68 × 104
D. 9.68 × 105

Answers

The answer is D I believe

please help me with this question ​

Answers

Answer:

top right and bottom left

Step-by-step explanation:

im in precal and if i get this wrong i am so sorry

but im pretty sure those r what increasing graphs look like as the increase in a positive direction

hope this is correct and helps :)

I NEED HELP NOW !!!!!!! In order for each sheep to get enough grass to eat, there should be 7 sheep for each acre of land. Which farm has the correct ratio of sheep to acres? Select the best answer from the choices provided. A. The Twelve Oaks farm has 14 sheep and 2 acres of land. B. The Tara farm has 28 sheep and 3 acres of land. C. The Butler farm has 35 sheep and 6 acres of land. D. The Scarlett farm has 21 sheep and 2 acres of land. 10 POINTS

Answers

Answer:

A: The Twelve Oaks farm has 14 sheep and 2 acres of land.

Step-by-step explanation:

For every 7 sheep, there has to be one acre of land. In order for you to find how many sheep are needed for each acre, you would multiply the amount of acres and you should get the amount of sheep that farm holds.

A. 2 x 7 = 14 meaning there should be only 14 sheep at a farm that only has 2 acres of land.

B. 3 x 7 = 21 meaning there should be only 21 sheep at a farm that only has acres of land.

C. 6 x 7 = 42 meaning there should be only 42 sheep at a farm that only has 6 acres of land.

D. 2 x 7 = 14 meaning there should be only 14 sheep at a farm that only has 2 acres of land.

Hope this helps!

Please tell me if I am incorrect I enjoy learning from my mistakes!

Good luck!

Which inequality represents the situation ten less than a number is a minimum of 30?

Answers

Answer:

x - 10 ≥ 30

Step-by-step explanation:

I'm 99.8% sure

It says 10 less than a number so that means subtract 10 from a number

Then it says minimum of 30 so that means the number has to be 30 or more so that's why I use the more than of equal to sign.

Hope this helps!

Find the value of x.
2x – 4
10

Answers

Answer: 7

Step-by-step explanation:if 10 and the other equation are the same then 2(7)-4=10

Mr. Lebsock is 1 year younger than 10 times Addy’s age. If Mr. Lebsock is 29, write and solve equation to solve for Addy’s age.

Answers

Answer:

3

Step-by-step explanation:

29 = 10x - 1

+4

30 = 10x

30 divided by 10 = 3

3 = x

So Addy is 3.

PLZ HELP WILL GIVE BRAINLY
Question 3 of 17
Shane offers to pay for 12 of his friends to play laser tag.
but 6 of them don't want to play.
If laser tag costs $3 per person, how much will Shane spend on his friends?
Choose the correct expression and solution to this problem.

Answers

it’s B he’s gonna pay $18
12 friends but 6 don’t want to play: 12-6=6
so 6 friends total
3$ per person
so 6•3=18
he will spend 18 dollars on his friends
THE ANSWER IS B

What is the value of the expression 1/2-(-1/3+2/5)

Answers

answer 13/30

or 0.43 repeating

Step-by-step explanation:

Which statement is not always true for a parallelogram?

Answers

Answer:

b

Step-by-step explanation:

Answer:

Diagonals are congruent drop a like if you got it right

Step-by-step explanation:

It’s not b
I’ll mark u as brainlist

Answers

Answer:

c

Step-by-step explanation:

A city has a vacant lot in the shape of an isosceles trapezoid and the city workers are installing a fence around the lot. What length of fencing is required? Round the answer to the nearest meter. А 25 m B x 25 m 45° The length of fencing required is meters.​

Answers

Answer:

Length of the fence required = 135 m

Step-by-step explanation:

Total length of the fence required to cover the vacant lot = Perimeter of the isosceles trapezoid

Perimeter of ABCD = AB + BC + CD + AD

Since, AB = BC = EF = ED = 25 m

From the given right triangle BEC,

m∠EBC = m∠ECB = 45°

ΔBEC will be an isosceles triangle.

So, BE = EC

By Pythagoras theorem,

BC² = BE² + EC²

25² = 2(EC)²

EC = [tex]\frac{25}{\sqrt{2}} =17.7[/tex] m

And DC = (DF + EF + EC)

             = EC + EF + EC [Since, DF = EC]

             = 2EC + EF

             = 35.4 + 25

             = 60.4 m                            

Hence. perimeter of ABCD = 25 + 25 + 60.4 + 25

                                              = 135.4 m

                                              ≈ 135 m

Therefore, length of the fence required = 132 m

Find F(-3) for F(x) = 3x -1
0-10
O-1
O 8
O 32
PLEASE HURRY !!!

Answers

Answer:

f(-3) = -10

Step-by-step explanation:

f(x) = 3x - 1

f(-3) = 3(-3) - 1

      = -9 - 1 = -10

Answer:

-10 is the answer for the question

What is the y-intercept and slope of the following equation y=8-2x​

Answers

Answer:

Sloper = -2

y-intercept = (0,8)

Step-by-step explanation:

y=8-2x

y=-2x+8

m=-2

b=8

Answer:

slope(m)=-2

y-intercept (c)=8

Step-by-step explanation:

here,y=-2x+8

reducing it into slope intercept form we get,

y=(-2)x+8

comparing it with y=mx+c we get,

slope(m)=-2

y-intercept(c)=8

1. ab=l (solve for a)

Answers

Answer:

l/b=a

Step-by-step explanation:

Use point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points (3, -1) and (1, 1).

Answers

Answer:

Plug it in.

y = -1, y1 = 1

x = 3, x1 = 1

-1 - 1 = m( 3 - 1)

-2 = 2m

m = -1

The slope is -1

y = -x +b

-1 = -3 +b

b = 2

The equation is y = -x + 2

Hope this helps.

Step-by-step explanation:

Solve for X.
51°
3x

Vertical angles

Answers

Answer:

17

Step-by-step explanation:

They are vertical angles so they are the same angle.

51 = 3x

Divide each side by 3

17 = x

You want to learn karate at a fitness center. You have two options; option A is to pay a $300 registration fee plus $10 per additional lesson. Option B is pay $35 for each lesson you attend. Make equations to represent the total cost of Option A and B.

Answers

Answer:

Option A: 300 + 10x

Option B: 35x

Step-by-step explanation:

option A:

$300 + $10 per lesson

Total cost = 300 + 10x

Option B:

$35 per lesson

Total = 35x

Where,

x = number of lessons

The equations to represent the total cost of Option A and B are 300 + 10x and 35x respectively

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