1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
charle [14.2K]
3 years ago
14

WILL GIVE 100 POINTS AND BRAINLIEST FOR BEST ANSWER

Mathematics
1 answer:
coldgirl [10]3 years ago
4 0

Answer:

Step-by-step explanation:-16x^2 + 24x + 16 = 0.

A. Divide by 8:

-2x^2 + 3x + 2 = 0, A*C = -2*2 = -4 = -1 * 4. Sum = -1 + 4 = 3 = B, -2x^2 + (-x+4x) + 2 = 0,

(-2x^2-x) + (4x+2) = 0,

-x(2x+1) + 2(2x+1) = 0,

(2x+1)(-x+2) = 0, 2x+1 = 0, X = -1/2. -x+2 = 0, X = 2.

X-intercepts: (-1/2,0), (2,0).

B. Since the coefficient of x^2 is negative, the parabola opens downward. Therefore, the vertex is a maximum.

Locate the vertex: h = Xv = -B/2A = -24/-32 = 3/4, Plug 3/4 into the given Eq to find k(Yv). K = -16(3/4)^2 + 16(3/4) + 16 = 19. V(h,k) = V(3/4,19).

C. Choose 3 points above and below the vertex for graphing. Include the points calculated in part A which shows where the graph crosses the x-axis.

You might be interested in
What is this? <br><br><br><br>What would be an equation for the graph?​
Travka [436]
Y=3000x+44000
You find slope by choosing two points and subtracting them.
Also try using Desmond
6 0
3 years ago
Cedric had 2,204 baseball cards that he wanted to sell. He sold them in packages of 4 and charged $2.25 for each package. If he
Dmitry [639]
He would make $1239.75

divide 4 in 2,204

multiply by 2.25
4 0
3 years ago
Read 2 more answers
A store is having a 20% off sale. The sale price of an item with price p is p – 0.2p. What is an equivalent expression?
GuDViN [60]
If it is 20% off, then ur actually paying 80%
so an equivalent expression would be 0.80p
3 0
3 years ago
Read 2 more answers
Please answer the question now in two minutes
oksian1 [2.3K]

Answer:

Coordinates of point P is (-14,3).

Step-by-step explanation:

Given that mid point of line segment \overline {PQ} is at <em>M(-9, 8.5).</em>

Q is at <em>(-4, 14)</em>.

Let coordinate of P be (x,y).

Using the ratio, we can say the following:

<em>The coordinates of mid point</em> (X,Y) of a line with endpoints (x_1, y_1) and (x_2, y_2) is given as:

X=\dfrac{(x_1+ x_2)}{2}

Y=\dfrac{(y_1+ y_2)}{2}

Using the formula for above given dimensions:

-9 =\dfrac{x+(-4)}{2}\\\Rightarrow x = -18+4 = -14

8.5=\dfrac{(14+ y)}{2}\\\Rightarrow y = 17-14 =3

So, the <em>coordinates of point P are</em> (-14,3).

6 0
3 years ago
Which operation will cancel out division?
emmasim [6.3K]

Answer:

The operation that will cancel out division is multiplication.

Step-by-step explanation:

For example:

\frac{2+5x}{2} \\

*in order to solve for x, and get the upper equation without division, you must multiply by the negative reciprocal*

2*(\frac{2+5x}2} )

4+10x\\

*to get x alone, we must subtract 4 from both sides*

10x = -4\\\\-4 / 10 = - 2/5

x=- 2/5

8 0
2 years ago
Other questions:
  • Whats 45 572 in words
    6·2 answers
  • An item is regularly priced at
    5·1 answer
  • In winter, the price of apples suddenly went up by $0.75 per pound. Sam bought 3 pounds of apples at the new price for a total o
    9·1 answer
  • What is the equation of the line that is parallel to the
    14·1 answer
  • How do you find rate
    6·1 answer
  • What is the algebraic expression that describes the monthly pay? Let x be the hours of training.
    6·2 answers
  • Simplify -2.3f + 0.8f - 16 - 3
    9·2 answers
  • Use the definition of similarity to explain your answer
    13·1 answer
  • The distance between the starting point in the finishing line of the Boston marathon is 4 inches on an interactive course map if
    10·1 answer
  • Graph the solution c-12&gt;-16
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!