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Alik [6]
3 years ago
11

How to rewrite quadratic in vertex form and graph

Mathematics
1 answer:
Sauron [17]3 years ago
6 0
To convert a quadratic<span> from y = ax</span>2<span> + bx + c </span>form<span> to </span>vertex form, y = a(x - h)2+ k, you use the process of completing the square. Let's see an example. Convert y = 2x2<span> - 4x + 5 into</span>vertex form<span>, and state the </span>vertex<span>.
Mark me as brainliest if I helped:)</span>
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In regression analysis, the independent variable is
kari74 [83]

Answer:

b. used to predict the dependent variable called the intervening variable

Step-by-step explanation:

The variable of interest is also known as response variable or dependent variable, are named the predictors, or independent variables in the regression. By the other hand, the dependent variable is known as the variable of interest or "Y" and usually the independent variables are expressed by "X".

Based on this definition we can analyze one by one the possible options:

a. used to predict other independent variables

No, the independet variable is not used to predict other independt variables, the independent or the intependent variables X's are used to predict the dependent variable Y

b. used to predict the dependent variable called the intervening variable

Yes, the practical use of the independent variables are predict the dependent variable Y.

c. the variable that is being predicted

No, the independent variable X is not the variable that would be predicted, the Dependent variable Y is the variable that would being predicted.

3 0
3 years ago
Please show work to thank you​
Galina-37 [17]

Answer:

Step-by-step explanation:

1) AC⊥BD and BD bisects AC                         1) given

2) AD≅DC                                                        2) linear bisector thm.

3) ∠ADB and ∠CDB are right angles              3) perpendicular bisector thm.

4) ∠ADB ≅ ∠CDB                                             4) all right ∡'s are congruent

5) BD ≅ BD                                                       5) reflexive POV

6) ΔABD ≅ ΔCBD                                             6) SAS

Hope this helps!

btw, I was not able to put the lines on top of some of the letters, so my apologies.

5 0
3 years ago
Jessica opened a bank account that earns 2 percent interest compounded annually. Her initial deposit was $100, and she uses the
klasskru [66]

Answer:

x = 1.02.

Step-by-step explanation:

The x is a factor worked out from  the annual interest  written as a decimal fraction.

So we have  2% = 2/100 = 0.02.

The amount at the end of the first year is $100 + 0.02*100

= $100* 1.02,  and in  the second year it will be $100* 1.02^t  where t = 2 and so on.

So we see that x in the given expression is 1.02.

5 0
4 years ago
If the scale factor between two circles is 2x/5y, what is the ratio of their areas?​
Zinaida [17]

Given that the <em>length</em> ratio between the radii of the two circles is (2 · x) / (5 · y). The ratio of the areas of the two circles is (4 · x²) / (25 · y²).

<h3>What is the area ratio of two circles?</h3>

According to the statement we know that the radius ratio between two circles. Given that the area of the circle is directly proportional to the square of its radius, then the <em>area</em> ratio is shown below:

A ∝ r²

A = k · r²

A' · r² = A · r'²

A' / A = r'² / r²

A' / A = (r' / r)²

A' / A = [(2 · x) / (5 · y)]²

A' / A = (4 · x²) / (25 · y²)

Given that the <em>length</em> ratio between the radii of the two circles is (2 · x) / (5 · y). The ratio of the areas of the two circles is (4 · x²) / (25 · y²).

To learn more on ratios: brainly.com/question/13419413

#SPJ1

7 0
2 years ago
The florist makes the greatest number of identical arrangements with the carnations and asters. She has 72 carnations and 42 ast
Studentka2010 [4]

the answer is B. Hope this helps

7 0
3 years ago
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