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Ostrovityanka [42]
3 years ago
9

An expression is shown below: f(x) = 2x2 − 3x − 5 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 poi

nts) Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your answers and show your work. (3 points) Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph. (5 points) (10 points)
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
8 0

Answer:

Step-by-step explanation:

I'm going to assume you meant 2x²-3x-5

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Given line ac with line ab=2x-4, bc=4x and ac=2x+12 find ac
tankabanditka [31]

Answer:

The answer to your question is: AC = 20

Step-by-step explanation:

Data

   AB = 2x - 4

   BC = 4x

   AC = 2x + 12

   AC = ?

            AB + BC = AC

        2x - 4 + 4x = 2x + 12

       6x - 4 = 2x + 12

       6x - 2x = 12 + 4

       4x = 16

       x = 16/4

       x = 4

AB = 2(4) - 4 = 8 - 4 = 4

BC = 4(4) = 16

AC = 2(4) + 12 = 8 + 12 = 20

         4 + 16 = 20

         20 = 20

5 0
3 years ago
The Drama Club held a car wash to raise money. The equation y = 15x represents the amount of money y club members made for washi
oksian1 [2.3K]

Answer:

15

Step-by-step explanation:

Given that:

y = 15x

y = amount of money made by club members made for washing cars

x = number of cars washed

From the equation given ;

Amount made is directly proportional the number of cars washed

Mathematically,

y α x

y = kx

Where k = constant of proportionality

Comparing the given equation with

y = kx

y = 15x

k = 15 = constant of proportionality

7 0
3 years ago
Winston found $3.75 for in change on the beach with
Citrus2011 [14]

Answer:

Winston can find $1.125 dollars every 1 hour.

Step-by-step explanation:

I got this by dividing 3.75 by 3 1/3.

3.75 ÷ 3 1/3 = 1.125

Hope this helps! :)

5 0
3 years ago
What two number multiply to get negative 18
densk [106]
6 and -3 which is -18
3 0
4 years ago
Compare: These two equations
Tju [1.3M]

Using translation concepts, we have that:

  • Function f(x) underwent a reflection over the y-axis.
  • Function g(x) underwent a reflection over the x-axis.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.

For function f(x), the multiplication by -1 of the function is in the output, meaning that it was a reflection over the y-axis. For function g(x), the multiplication is in the input, the domain, hence the reflection was over the x-axis.

More can be learned about translation concepts at brainly.com/question/4521517

#SPJ1

7 0
2 years ago
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