Mathematics High School

y = 2x²- 5x + 2
determine the x value for the vertex and whether this value is a maximum or a minimum
a. maximum at x = -1.25
b. maximum at x = 1.25
c. minimum at x = -1.25
d. minimum at x = 1.25

Answers

Answer 1

Answer: D

Explanation:

Use the vertex formula, -b/2a. Because the quadratic formula is ax^2+bx+c, -b would be 5 in this case and a would be 2 in this case. Plug the numbers in and you get 5/4. The AOS or vertex would be 5/4 or 1.25. Because the a-value is a positive in this equation, the parabola would have a minimum.  

Related Questions

Mary is 10 years old and Eleanor is 15 years old. Divide £1:75 between them in the ratio of their ages

Answers

Answer:

Mary have £ 0.7

and Eleanor 1.05

because

Mary 10/ 10 +15 × 1.75= .7

Eleanor 15 /10+15× 1.75 =1.05

Plzz answer this question properly step by step

Answers

Answer:

54°

Step-by-step explanation:

∠A = 2x + 10, ∠C = 3x - 14

∠E + 266 = 360 (sum of angles around a point)

∠E = 360 - 266

∠E = 94°

AB is parallel to line BD. Lets draw a line cuts line AB and line BD to form ∠B and ∠D. Hence:

∠B + ∠D = 180° (sum of interior angles on the same side)

∠A + ∠B + ∠C + ∠D + ∠E = 540° (sum of angles in a pentagon)

2x + 10 + 3x - 14 + 94 + 180 = 540

5x + 270 = 540

5x = 540 - 270

5x = 270

x = 54°

what is 149866.37636 rounded to the nearest whole number​

Answers

Answer:

149866 is the nearest whole number.

Step-by-step explanation:

i dont under stand this

Answers

Answer:

13

Step-by-step explanation:

a^2 + b^2 = c^2

Plug 5 and 12 for a and b respectively. then solve

Also its a special  5 12 13 triangle.

If the base number is 2/3 and the power is 5.
answer must be a fraction
please explain i need this ASAP!!
WILL GIVE BRAINIEST

Answers

Answer:

32/243

Step-by-step explanation:

do 2 to the 5th and put it above 3 to the 5th

32/243 that’s the answer

What is the range of {( -1,6), (2,0), (9,-3), (-4,6)}

Answers

Answer:

Range: {6,0,-3}

Step-by-step explanation:

Is the following a function?

Answers

Answer:

yes

Step-by-step explanation:

you can times them all by 3

BRAINLIEST PLEASE

A wire is needed to support a vertical pole 4 feet tall. The cable will be anchored to a stake 3 feet from the base of the pole. How
much cable is needed?
4 ft
3 ft
A cable of length
feet is needed.
Enter your answer in the answer box.

Answers

Answer:

I think its 5 feet

Step-by-step explanation:

I used Pythagorean theorem

I WILL GIVE BRAINLIEST IF CORRECT The area of a square is 49 square centimeters. Find the length of a side. Find the length of the
diagonal

Answers

Answer: 7

Step-by-step explanation:

Since squares have the same side lengths

then you need to find a number that multiplies twice that equals 49

7*7 = 49

Answer: Length of a side: 7 / Length of the diagonal: 9.9

Explanation:

Just square root 49, so it becomes 7. That's the side length. In order, to find the diagonal of the square, just use Pythagorean Theorem, a^2+b^2=c^2. Because it's a quadrilateral, all of the sides should equal 7. a^2 would be 7 and b^2 would be 7. 49+49=98. Square root 98 and you would get 9.899... That would be estimated to 9.9.

when 6x³-3x²+4x+1 is divided by 2x-1 the result is ?​

Answers

The result is

3x^2 + 2 + 3/2x-1

-x/3 = -998
please help fast!!!
what does x equal?

Answers

Answer:

2994=x

Step-by-step explanation:

-x/3=-998

multiply 3 on both sides

-x=-2994

x=2994

Hope this helps you!

#Team Rainbows~

This might help for your math homework

Mr. Harrison sold 72 hot dogs in 4 days. At this rate, how many hot dogs will Mr. Harrison sell in 7 days?

Answers

Answer:

126

Step-by-step explanation:

72/4=18 hot dogs sold per day

18*7=126 hot dogs in a week.

Answer: 126

Step by Step Explanation:

3x - 3 = x -19
Solve for x
So what is the answer

Answers

The answer to his question is X=-8. I hope this helps!!!

solve the problem in the picture

Answers

Ok buddybfhdbdbddbbddd

21 feet of yarn costs $42.70. What is the price per yard?

Answers

divide the numbers and you will get your answer.

fine the slope of the line that passes through the points (2,4) and (3,-2)

Answers

Answer:

slope = -6

Step-by-step explanation:

slope = Δy/Δx

slope = (4+2)/(2-3)

         = 6/-1

slope = -6

Slope is 6 I had a test with the same question !!

Brian makes 9 dollars for each hour of work. Write an equation to represent his total pay p after working h hours.

Answers

Answer:

9h

Step-by-step explanation:

9 = $/hour

h = hours

Then you would multiply 9 by the number of hours worker, or h.

so
How would you write 6.5E4

Answers

Hope that helps



6.5 x 10^4

Or

65000

Which expression is equivalent to 100,000

Answers

Answer:

the answer is 10 with a little 4 on the top right corner

Step-by-step explanation:

count your zeros

Maya's final score is 298.Which dancer has the greater final score?

Answers

Answer:

the question

Step-by-step explanation:

because it litterly has dancer and in the question it has the greater final score.

HURRY WILL MARK YOU BRAINLIEST RIGHT ANSWER ONLY

Answers

Answer:54

Step-by-step explanation:


please help!!
Find the slope of the line. Enter your answer as
a number, fraction, or undefined. Reduce to
lowest terms where necessary.

Answers

Answer:

m = undefined

General Formulas and Concepts:

Algebra I

Vertical Line Test - Tells us if a graph is a functionVertical Lines - slopes are undefined

Step-by-step explanation:

If the slope m was equal to 0, then it would be a horizontal line rather than a vertical line.

Using the Vertical Line Test, we also know that the graph is not a function.

Usually a vertical line has an undefined slope, as x equals a certain number, and m = unknown.

Answer: It's undefined, because it's vertical

In square ABCD, diagonal DB is drawn. If the m

Answers

9514 1404 393

Answer:

  x = 11

Step-by-step explanation:

The diagonal creates two isosceles right triangles, so ...

  m∠CBD = 45°

  3x +12 = 45

  3x = 33 . . . . . . subtract 12

  x = 11 . . . . . . . . divide by 3

At a store, socks are sold with a different number of socks in each package. Which package has the lowest price per pair of socks?

A.
4 pairs for $4.99

B.
6 pairs for $7.99

C.
8 pairs for $10.99

D.
12 pairs for $15.99

Answers

B hope this helps divide each of the answers choices by the total by number of pairs

Answer:

I'm sure the correct answer is A. 4 pairs for $4.99.

Step-by-step explanation:

Please tell me if I'm wrong. And also the answer is not B for other's that may think it is. I hope you find this helpful, have a great day.

I NEED HELP PLEASEE ASAP

Answers

Answer:

-5 and initial value is -1

Step-by-step explanation:

Slope= y2-y1/x-x1

-11-(-1)/2-0

-10/2

-5

Initial value is y-intercept where x is 0 (0,y)

so

(0,-1) is starting point

Frederick uses his metal detector to search for coins on the beach. He has found both newer and antique coins. He has found 24 newer coins over the past year, witch is 75% of all the coins he has found. What is the total number of coins he has found?

Answers

Answer:

32 coin in all

Step-by-step explanation:

Step one:

given data

let the total coins be x

we are given that 75% of x= 24

Step two:

Mathematically we have

75/100*x= 24

0.75x=24

divide both sides by 0.75

x=24/0.75

x=32coins

Hence the total coins is 32

Sheila is taking medicine to help fight an infection. The function f(x) = 12(0. 82)^x models the amount of a 12-mg dose of antibiotic left in her bloodstream after x hours.

About how many mg are left in her bloodstream after 2 hours?

Answers

Given:

[tex]f(x)=12(0.82)^x[/tex]

where, f(x) is the amount of a 12-mg dose of antibiotic left in her bloodstream after x hours.

To find:

The remaining mg in her bloodstream after 2 hours.

Solution:

The amount of a 12-mg dose of antibiotic left in her bloodstream after x hours is represented by the function

[tex]f(x)=12(0.82)^x[/tex]

Putting x=2, we get the remaining mg in her bloodstream after 2 hours.

[tex]f(2)=12(0.82)^2[/tex]

[tex]f(2)=12(0.6724)[/tex]

[tex]f(2)=8.0688[/tex]

Therefore, the remaining mg in her bloodstream after 2 hours is 8.0688 mg.

Answer:

8.07

Step-by-step explanation:

...

Find the value of each trigonometric ratio.

Answers

for the first one is a for the second one is b for the third one is c for the fourth one is d that’s all the answer

can anyone help with this question
​

Answers

Step-by-step explanation:

GCF of 2 prime numbers is always 1, because prime number only have two factors, themselves and 1.

LCM of 2 prime numbers will be simply multiplying them together.

Answer:

Sasha can do that by; finding the HCM of two factors.

Razi will tell Jake to find the LCM you have to find the least common factor of the numbers,and then that's your answer.

Explanation:

Hope this helps:)!

Kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes does Kai spend in school?

Answers

Answer:

500 minutes or

8 hours and 20 minutes

Step-by-step explanation:

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