Find the vertex of the parabola: y = -2x2 - 4x - 7

Answers

Answer 1
X=-b/2a=4/14=2/7
Plug this value back into the function to find the corresponding Y value

Related Questions

After its Saturday competition, a swim team ordered three orders of pizza rolls and five orders of fried pickles for a total cost of $22. After its Tuesday night competition, the team ordered six orders of pizza rolls and two orders of fried pickles for a total cost of $28. what is the price of each appetizer? show your work.

Please help

Answers

Answer:

pizza rolls = $4

fried pickles = $2

Step-by-step explanation:

3 x 4 = 12

5 x 2 = 10


3) Whitten family has a party catered. They
leave a 20% tip on top of the $350 catering bill.
How much was the tip?

Answers

Answer: 70$

Step-by-step explanation: Hope this helps <3

70 dollars will be your answer to the equation

I REALLY NEED HELP!!! this is graded and plzzzz no links!!!!!

Answers

8 x 6 = 48 (regularly you’d divide by two but this is on both sides so we’ll leave it)
4 x 10 = 40 / 2 = 20
6 x 4 = 24 / 2 = 12
8 x 4 = 32 / 2 = 16
48 + 20 + 12 + 16 = 96
hope that helps! message me with any questions on other problems.

Isaac saw a video game on sale for a 25% discount. The amount of discount is $4. What is the regular price of the video game

Answers

Answer:

The original price was $16

Step-by-step explanation:

$4= 25% of What price?

4= .25 x W

Divide both sides by .25

This leaves the equation as 16=W

Some for all values of x by factoring

Answers

Answer:

{-1, 10}

Step-by-step explanation:

Next time please share the entire set of instrutions.

x^2 - 9x - 15 = -5 should be rewritten in standard quadratic form:

x^2 - 9x - 10 = 0 = (x - 10)(x + 1) = 0.

Setting each factor equal to zero and then solving for x yields {-1, 10}

Answer:

{-1,10}

Step-by-step explanation:

[tex]x^2-9x-15=-5[/tex]   given

[tex]x^2-9x-10=0[/tex]   addition property of equality

[tex]x^2+(x-10x)-10=x^2+x-10x-10=0[/tex]   x-10x = -9x

[tex]x(x+1)-10(x+1)=0[/tex]   distributive property ( x( y + z ) = xy + xz

[tex](x-10)(x+1)=0[/tex]   distributive property (backwards)

[tex]x-10=0;x=10;x+1=0;x=-1[/tex]   at least one factor of 0 has to be 0

{-1,10}

Classify the triangle with side lengths of 5, 6, 7

Answers

Answer:

Scalene triangle

Step-by-step explanation:

The sides of the triangle is ,

5 , 6 , 7

Since the sides are unequal . Hence it is a scalene triangle .

Hence the ∆ is scalene triangle .

how much simple interest is accumulated if you deposit $100 in the bank at 5% interest for 15 years

Answers

Answer:

You will make 75 dollars.

Step-by-step explanation:

5% of 100 is 5. Multiply 5 by 15 to get 75.

Need help on both of these please I am really stressed out

Answers

Answer:

sheeeeeeeeeeshshshshshdh

four is d and five is a :) im not sure about the others im sorry

Please help me with my work

Answers

The cones an acute cone.

The lines given by the equations y = 2x and y = 0.5x are _____.

A. perpendicular
B. neither perpendicular nor parallel
C. parallel

Answers

Answer:

B

Step-by-step explanation:

Dose anyone know how to solve this?

Answers

Hi there! We are given three functions below:

[tex] \large \boxed{f(x) = \frac{2 + {x}^{2} }{x + 6}} \\ \large \boxed{g(x) = \sqrt{1 + 7x} } \\ \large \boxed{h(x) = | \frac{3}{4} x - 14 | }[/tex]

Next, we are going to substitute the values that replace x-term. Substitute these values in each functions.

We are given below:

f(4)g(2)h(8)

Therefore,

[tex] \large{f(4) = \frac{2 + {4}^{2} }{4 + 6} } \\ \large{g(2) = \sqrt{1 + 7(2)} } \\ \large{h(8) = | \frac{3}{4} (8) - 14}| [/tex]

Then evaluate the value.

[tex] \large{f(4) = \frac{2 + 16}{10} } \\ \large{g(2) = \sqrt{1 + 14} } \\ \large{h(8) = | 3(2) - 14}| [/tex]

[tex] \large{f(4) = \frac{18}{10} \longrightarrow \frac{9}{5} } \\ \large{g(2) = \sqrt{15} } \\ \large{h(8) = | 6- 14| \longrightarrow | - 8| = 8 }[/tex]

Answer

f(4) = 9/5g(2) = sqrt(15)h(8) = 8

The inverse of y = e^x

Answers

I hope this helps!!!!

?
2
Find the arc length of the partial circle.
Either enter an exact answer in terms of it or use 3.14 for it and enter your answer

Answers

9514 1404 393

Answer:

  3π units

Step-by-step explanation:

The full circumference of a circle with radius 2 is ...

  C = 2πr

  C = 2π(2) = 4π

The arc shown is 3/4 of the full circle circumference so is ...

  3/4C = (3/4)(4π) = 3π . . . units

Help ASAP thank you!

Answers

This is D.5 units
…………….

Select the correct answer.
Find the inverse of function f.
95 + 7

Answers

Answer:

D

Step-by-step explanation:

1. Make it into a y = x equation

       y = 9x +7

2. change x to y and y to x

       x = 9y + 7

3. Isolate y ( if not possible, use implicit differentiation but here you can)

      x-7 = 9y

      1/9x-7/9 = y

The area of the square at right is 36. what is the value of x
a) 6
b) 2
C) 9
d) 4

Answers

It would be answer a)6
The answer is going to be B)2

Discriminat of 3x^2+15x-6=0

Answers

Solution

=−5±33√2

jjkk,m

Find the measure of arc AB. 

Answers

Answer:

AB = 3π units

Step-by-step explanation:

The arc length is calculated as

AB = circumference of circle × fraction of circle

     = 2πr × [tex]\frac{45}{360}[/tex]

     = 2π × 12 × [tex]\frac{1}{8}[/tex]

     = 24π × [tex]\frac{1}{8}[/tex]

     = 3π units

Jason built a rectangular tool shed that is 8 meters wide and has an area of 96 square meters. What is the length of Jason’s tool shed?

Answers

Answer:

12 meters

Step-by-step explanation:

We can solve this problem simply by dividing area by the known width value (because length x width = area):

96/8 = 12

Dan used 942 units of electricity from July to October
The meter reading in July was 32 347 units.
a)
Work out the meter reading in October.
b)
Each unit costs 14p.
How much do 942 units cost?​

Answers

Answer:

13,188

Step-by-step explanation:

14 × 942

That will give you 13,188

Answer:

a) 33289

b) £131.88

Step-by-step explanation:

→ To find the meter reading add the July reading to the units used

32347 + 942 = 33289

→ Multiply the unit price by the units used

0.14 × 942 = 131.88

Please help !!!

A
E
B
Point
is the vertex of the angle marked in the figure.

Answers

Answer:

Point E

Step-by-step explanation:

A vertex can be described as an angle formed when two lines intersect or join together. In the figure given, point E is the intersection point.

The point that is referred to as the vertex of the marked angle where the two lines intersect is point E.

Point E is the vertex of <BEC.

the ratio of men to women working for a company is 4 to 7 if there are 231 employees total how many women work for the company.

Answers

Answer:

297

Step-by-step explanation:

!HELP ASAP / GEOMETRY
15 POINTS
what is the side length?

Answers

Answer:

The length of the side would be 9

Step-by-step explanation:

You can just multiply from the smaller figure 7*3=21, 5*3=15, so then 3*3=9

Heigh = 9yd ; length = 17 yd ; width = 16 yd

Does anyone know the volume?

Need now!

Answers

Answer:

2448 is the volume

Step-by-step explanation:

HOPE THIS HELPS!

help!!
Find the inequality represented by the graph

Answers

1-Step-by-step explanation:

faktor sepunya terbesar bagi 24,36 dan 72

Answers

Answer:

Use a text book, so that you get the concept

ILL GIVE BRAINLIEST!!

Answers

Answer:

Step-by-step explanation:

using formula

=

=3[tex]\sqrt{3}[/tex]/2*6^2

=108[tex]\sqrt{3}[/tex]/2

=54[tex]\sqrt{3}[/tex]

=93.5

Helpelelelepelelelelelelellel

Answers

Answer:

0.83 cents

Step-by-step explanation:

$25.35 + $2.99 = $28.34

$30 - $28.34 = $1.66

1.66 ÷ 2 = 0.88

Brainliest

It is 0.83 centszzzzzz

Help please I really need it right now

Answers

Answer:

the hypotenuse is 68 yards

Step-by-step explanation:

A^2+B^2 then square rooted equals C

32^2+60^2

1,024+3,600=4,624

4,624 square rooted is 68

68 yd is your answer

[This is 50 points and I’ll give brainliest. Let’s strengthen these Plato answers for math, eh?]

Two friends worked together on an entry for a poetry contest and won; however, there is only one prize and it cannot be split. Some methods of
determining who receives the prize are given below.

Select all the fair methods for determining who receives the prize.

1. throw a stone closest to an object

2. roll a die and evaluate the outcome as either even or odd

3. ask a stranger to flip a coin

4. place both names in equal amounts into a hat and draw one without looking

5. ask a random friend to choose

Answers

Answer: The methods that are fair include __A, B and C__ because __D__ is flawed due to increased chances of winning based on one's skill, ___F___ is flawed due to poor randomization, and ___E___ is flawed due to unequal probabilities of winning and losing.

Step-by-step explanation:

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