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Mamont248 [21]
3 years ago
15

In the quadratic function f(x) = ax^2 + c, what transformation occurs to the parent function when "a" is negative? *

Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Answer:

The parabola will reflect over the x axis.

Step-by-step explanation:

By setting the "a" value to a negative number, you will be inverting the f(x) values, in other words making a parabola open downwards, or a direct reflection over the x axis of the parent formula.

Take f(x)=1x^{2}+0 for example.

if we plug in 1 for x f(x) will equal 1

however if we make the a value negative

f(x)= -1x^{2}+0

and set x equal to 1,

you should see that f(x) is now -1

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The 6th to the left

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2 years ago
Is the function “ y = 3x “ a direct variation?
LuckyWell [14K]

Given function is a direct variation

Step-by-step explanation:

The direct proportion is defined as the increase in one quantity causes increase in other quantity.

If y is directly proportional to x, then it is given as:

y = kx

where k is the constant of proportionality

Given

y = 3x

Comparing the general form and given equation we see that both are same where k =3

So,

Given function is a direct variation

Keywords: Variation, functions

Learn more about functions at:

  • brainly.com/question/702593
  • brainly.com/question/689294

#LearnwithBrainly

3 0
3 years ago
If Q is between P and R, then PQ+QR=PR what is the propety
Marina86 [1]

Answer:

Segment Addition Postulate

Step-by-step explanation:

8 0
2 years ago
PLEASE HELP !!!
GrogVix [38]
<h3>Answer: D. 80% of the home’s value</h3>

============================================================

Explanation:

As you probably expect, the first number 80 refers to the percentage the first loan covers. If the house is say $100,000, then the first loan is $80,000 while the second loan is the remaining $20,000.

An 80/20 mortgage, or similar, will have two monthly payments because you are getting two mortgages bundled together. Usually you should pay a down payment, though it may likely depend on your credit history. Those with good credit will pay less or no down payment, compared to those with worse credit will have to pay more down payment. A good rule of thumb is that 20% of the home's value is made as down payment, though this isn't what the "20" in "80/20" is referring to.

An 80% down payment is extremely high and unreasonable. Not many people have that kind of money laying around. A similar story applies to a 20% interest rate which is incredibly large for a mortgage rate (typically they are in the single digits such as 3%).

7 0
2 years ago
Plzzzzzzzzzzzzzzzzzzzzzz neeed help dew nowwwwwwwwwwwwwwwwwwwwwwwwwww
vampirchik [111]

Answer:

64 teachers

Step-by-step explanation:

We can use ratios to solve

14 students   896 students

----------------- = -------------

1 teacher          x teachers

Using cross products

14 * x = 896*1

Divide each side by 14

14x/14 = 896/14

x =64

4 0
3 years ago
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