If y = ax^2 + bx + c passes through the points (-3,10), (0,1) and (2,15), what is the value of a + b + c?

Answers

Answer 1

Hi there!

[tex]\large\boxed{a + b + c = 6}[/tex]

We can begin by using the point (0, 1).

At the graph's y-intercept, where x = 0, y = 1, so:

1 = a(0)² + b(0) + c

c = 1

We can now utilize the first point given (-3, 10):

10 = a(-3)² + b(-3) + 1

Simplify:

9 = 9a - 3b

Divide all terms by 3:

3 = 3a - b

Rearrange to solve for a variable:

b = 3a - 3

Now, use the other point:

15 = a(2)² + 2(3a - 3) + 1

14 = 4a + 6a - 6

Solve:

20 = 10a

2 = a

Plug this in to solve for b:

b = 3a - 3

b = 3(2) - 3 = 3

Add all solved variables together:

2 + 3 + 1 = 6


Related Questions

the degree of the polynomial p³q²-6p²q⁵+p⁴q⁴​

Answers

Answer:5

Step-by-step explanation:

[tex]p^{3}q^{2}-6p^{2} q^{5} +p^{4} q^{4}[/tex]

So since the highest index/power is 5 the degree is 5

Hope that helps :)

the permiter of one face of cube is 60 cm then its volume :​

Answers

Step-by-step explanation:

a cube has 6faces.

side = 60/6 = 10cm

volume = 1000cm³.

hope this helps you.

PLEASE HELP ME




Question 7 of 10

Which of the following is equal to the fraction below? (5/9)⁸

A. 5⁸/9⁸

B. 5/9⁸

c. 5⁸/9

D. 8•(5/9)

SUBMIT

Answers

Answer:

A 5⁸/9⁸

Step-by-step explanation:

the bracket there shows that the power is for both the numerator and denominator so A is the correct answer

A cylindrical barrel has a radius of 2.1 ft and a height of 14 ft. Doubling which dimension(s) will double the volume of the barrel?

Answers

Answer:

Step-by-step explanation:

r = 2.1 feet

h = 14 feet

V = pi r^2 h

V = 3.14 * 2.1^2 * 14

V = 193.85

Let h = 28 feet

V = pi * r^2 * h

V = 3.14 * 3.2^2 * 28

V = 387.72

If you divide 387.72 by 2 you get 193.86

The difference in the hundreds place comes about because of the rounding that took place.

The answer to your question is you must double the height,

Lim ( 3x + 4tan2x)/x
X--》0

Answers

Answer:

where are you from me

Step-by-step explanation:

:philipines

btw ty sayo

Pre college need help thiss

Answers

Answer:

25

-35

5

Step-by-step explanation:

yeah-ya.............. right?

What is 7823× 10 to the 3 power?

Answers

Answer:

7823000

Step-by-step explanation:

Answer:

0 is the answer

7893 x 10 equal to 789300

I WILL GIVE BRAINLEST PLAESE HURRY I HAVE 10 MIN
Launch Problem


Melanie was training for a race. The line plot below shows the number of miles Melanie ran last week.


If Melanie ran once a day, how many days did she run?

Answers

Wait this might be a trick. If Melanie ran ONCE A DAY how many days did she run. She trained for the week. 7 days in a week. There is a good chance I am wrong but I think 7 days.

(88)(√75)
HELP ASAP....​

Answers

Answer:

sqr75=sqr25*sqr3=5*sqr3

88(5*sqr3)

decimal = 762.10235533

Answer:

4403

Step-by-step explanation:

Given:

88√75

Solution:

88•√(5^2 * 3)

Rewrite the expression as:

88•(5√3)

Multiply 88 into 5:

440√3762.102 ( 3 decimal place )

14. A triangle has vertices at A(4,2), B(-4,-2), and
C(2, 4). If the triangle is dilated with respect to the
origin using a scale factor of 172, what will the
coordinates for the new vertices be?
A A' (2.1). B' (-2,-1), and C (1.-2)
B. A (8.4), B (-8,-4). and C (4. - 8)
C. A' (1,2), B (-1,-2), and C (-2. - 1)
D. A (-2,-1), B' (-2,-1), and C° (-1,2)

Answers

Answer:

A

Step-by-step explanation:

Each coordinate of the triangle will have to dilate by 1/2 in order for the triangle to be fully dilated. Let's check each option to see which one has the correctly dilated points.

First, we'll look at A. A(4, 2) goes to A'(2, 1)... which is looking good so far! Half of 4 is 2, and half of 2 is 1, so the right dilation was applied. Next, let's check out B. B(-4, -2) goes to B'(-2, -1), which is still looking okay. Half of -4 is -2, and half of -2 is -1. Finally, we'll check the point C. If this one is correctly dilated, option A is the right option. C(2, -4) goes to C'(1, -2), and we can now be sure that option A is correct. Half of 2 is 1, and half of -4 is -2.

So, option A is the one to select. Hopefully that's helpful! :)

Identify the five-number summary of the following data se
7. 11. 21. 28, 32, 33, 37, 43

Answers

Minimum value = 12

Maximum value = 37

snumber of observations = 10 (even)

Median = Mean of middle most terms

Middle most terms = 22, 25

Median ={22+25}{2}=23.5222+25=23.5

Which graph corresponds with the inequality x< 10 ?

Answers

Answer:

C

Step-by-step explanation:

Which property is illustrated by the equation?
(2x + 1) + 3y = 2x + (1 + 3y)

Answers: Commutative Property of Addition, Identity Property of Addition, Associative Property of Addition, or Distributive Property of Addition.

Answers

Answer:

Associative Property of Addition

Step-by-step explanation:

Associative Property of Addition - if the grouping changes, the answer will be the same - Correct (2 + 3) + 5 = 2 + (3 + 5)

Identity Property of Addition - anything added by 0 will equal itself (5 + 0 = 0, 2.3 + 0 = 2.3, etc.)

Commutative Property of Addition - if the order changes, the answer will be the same (2 + 3 = 5 and 3 + 2 = 5 also)

Distributive Property of Addition - allows you to "distribute" a number (2(3 + 5) = 2 * 3 + 2 * 5 = 6 + 10 = 16)

Question
Round to the nearest ten: 1,078

Answers

Answer:

7 = 7 * 10 = 70

Step-by-step explanation:

Answer:

1080

Step-by-step explanation:

How to Calculate Rounding to the Nearest Tens Whole Number?

If the ones digit (first number after decimal point) of the number is greater than or equal to 5 we add 1 to tens of number, If the ones digit of the number is less than 5 we change ones digit to 0.

Example:

1026The ones number is 66 is greater than 5, so we add 1 to tens.Result = 1030

[tex] \: [/tex]

What is the perimeter, in feet, of the polygon?

Answers

Step-by-step explanation:

please post the question correctly to get the answer.

3
Evaluate the function f(x) = (x + 2)2 for the given inputs.
a. f(5)=
b. f(-3) =
c. f (x+3) =

Answers

Answer:

a. 49

b. 1

c. x^2+10x+25

Step-by-step explanation:

Symply substitute the values (5, -3, x+3) in the equation (x+2)^2

Which statements are correct interpretations of this graph?

Select each correct answer.


a.4 boxes are filled every 3 min.

b.3 boxes are filled every 4 min.

c.1.3 boxes are filled per minute.

d.0.75 boxes are filled per minute.

Answers

It’s b. 3 boxes are filled every 4 mins

finding the missing number 2 4 6 __ 10 12​

Answers

Answer:

8 because the pattern goes up by 2 each time

Answer:

8

Step-by-step explanation:

Need it now ‼️‼️‼️‼️will give brain list to who ever answers first

Answers

Answer:17/18

Step-by-step no explation

24 peppermint; 8 to 5

Answers

Five eighths of 24 is 15

do my teeth look straight?
answer asap

Answers

Answer:

yeah your teeth is good and strong too

yes they look very straight

What is the least common denominator of this equation

Answers

Answer:

LCD = 30

Step-by-step explanation:

[tex]\frac{5}{6}[/tex] x - [tex]\frac{1}{10}[/tex] x = [tex]\frac{2}{15}[/tex]

Multiply through by 30 ( the LCM of 6, 10, 15 ) to clear the fractions

25x - 3x = 4

22x = 4 ( divide both sides by 22 )

x = [tex]\frac{4}{22}[/tex] = [tex]\frac{2}{11}[/tex]

Answer:

5

Step-by-step explanation:

[tex] \frac{5}{6} x - \frac{1}{10} x = \frac{2}{15} \\ \frac{50x - 6x}{60} = \frac{2}{15} (criss \: cross) \\ \frac{44x}{60} = \frac{2}{15 } \\ \frac{11x}{15} = \frac{2}{15} (simplify) \\ 165x = 30(criss \: cross) \\ x = \frac{30}{165} = \frac{6}{33} = \frac{2}{11} \\ x = \frac{2}{11} [/tex]

Please help me! Im a little bit stumped!

Answers

Answer:

2x+34=4x+20

14=2x

x=7

Step-by-step explanation:

So the answer is 7

Answer:

some bedmas laws you have to use

first do the 4(x+5) since its distubutive

you get 2x + 34 = 4x + 20 normally i like to keep x positive so i dont have to divide by -1 at the end so subtract 5 to the other side qnd subtract 2x to the other side and you get

2x= 14

x = 7 is the answer

Seven less than twice a number is 43. What is the number?

Answers

Answer:

25

Step-by-step explanation:

x = the number

2x - 7 = 43

    +7      +7

-----------------

2x = 50

------------

2        2

x = 25

1+ root2x + 1 = root2x + 8

Answers

Answer:

14x 2 +9

Step-by-step explanation:

[35 - (8 + 2)x 3 ] what is the answer

Answers

Answer:

5

Step-by-step explanation:

[35 - (8 + 2)x 3]

[35 - (10)x 3]

[35 - 30]

[5]

factor the polynomial f(x) = X^3+5x^2+7X+3

Answers

The answer is (X+1)^2(x+3)

Answer:

Step-by-step explanation:

Third level polynomial, so three factors

Only whole numbers, so only whole number x⁰ factors

whole number factors of 3 are 1,1,3 or 1,-1,-3 or -1,-1,3

let's try (x + 3) as a factor

                    x² + 2x + 1                      

x + 3 | x³ + 5x² + 7x + 3

      -   x³ + 3x²

                  2x² + 7x

              -   2x² + 6x

                              x + 3

                          -   x + 3

                                    0

so (x + 3) is a factor and x² + 2x + 1 factors to (x + 1)²

x³ + 5x² + 7x + 3 = (x + 3)(x + 1)(x + 1)

Ed is 7 years older than ted. Ed is also 3/2 times teds age. How old are ed and ted

Answers

Answer: Ted is 14 years old, Ed is 21 years old

Answer: Ted is 14 years old, and Ed is

21 years old.

Explanation is in the image.

Please help me :) 25 points

Answers

Answer:

D (bottom right)

Step-by-step explanation:

Using the vertical line test, only D passes.

Hope that helps

solve each inequality and graph its solution

Answers

Answer:

Step-by-step explanation:

1) 11v > -66

divide by 11

V > -6

all of them are done like this

Other Questions
Difference between Laboratory Thermometer and Clinical Thermometer. PLEASE HELP ME WITH THIS!!! im struggling with this question. can you please help me? solve for m -7/9 m = 11/6 ______________ is the process of forming a pliable medium with hands or tools. A. Modeling c. Casting b. Carving d. Assemblage Please select the best answer from the choices provided A B C D. I need to know the answer to this question and Im really confused FEAR, THAT FEAR WOULD MAKE PEOPLE WHO SPEAKS OUT MAY GET EXCUTED....Can SOMEONE FINISH THE SENTENCE WHY2-3 SENTENCE Please, Please help ASAP plsssssssss helpjoey decided to start a lawn care business. He charges customers $25 per hour, plus a $75 service fee for each visit, which can be represented by the function f(x)=25x+75. In the equation, what is represented by the "x" variable?Question 15 options:the total cost for the lawn care visitthe number of hours Joey workedthe amount Joey charges per hourthe fixed fee for the service call Find x in the triangle two different object that have something in common in the diagram below, what is the value of X? The ages of the students in a statistics class are listed below. If the 18-year-old student has a birthday and turns 19, how will it affect the mean and median ages of the class?Ages: 14, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18A Both the mean age and the median age will increase.B The mean age will increase, and the median age will remain the same.C The mean age will remain the same, and the median age will increase.D The mean age will remain the same, and the median age will decrease. Why do girls break up with you after you share laughs and thoughts over the weekend? _________.__________ and___________ are energy science which of these gaseous elements is least reactive hydrogen helium nitrogen or oxygen A group of marine biologists on a marine expedition recorded the altitudes at which they found four animals. Which inequality correctly compares the altitudes at which they found the animals?Creature Altitude (feet)great white shark -430sea urchin -452sea turtle -502garden eel -396A. sea turtle < sea urchin < great white shark < garden eelB. garden eel < sea urchin < great white shark < sea turtleC. great white shark < sea urchin < sea turtle < garden eelD. garden eel < great white shark < sea urchin < sea turtleE. sea turtle < great white shark < sea urchin < garden eel identity 10 fundamental human rights and their limitations Find the volume in cubic feet of a rectangular moving van with length 14 feet, width 7 feet, and height 7 feet Section E: Map Skill (2 Marks)On an outline Map of India show the following iron and steelproducing centres.(i) Jharkhand(ii) Odisha(iii) Chhattisgarh(iv) West Bengal