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Elena L [17]
2 years ago
11

Which of the quadratic functions has the widest graph? y = 0.3x2 y = –4x2

Mathematics
2 answers:
Shkiper50 [21]2 years ago
8 0

Yes,  Y = 0.3x^2 is correct!!

Alenkinab [10]2 years ago
4 0
A vertical stretching is the stretching of the graph away from the x-axis.
A vertical compression is the squeezing of the graph towards the x-axis.
A compression is a stretch by a factor less than 1.

For the parent function y = f(x), the vertical stretching or compression of the function is a f(x). 

If | a | < 1 (a fraction between 0 and 1), then the graph is compressed vertically by a factor of a units.
If | a | > 1, then the graph is stretched vertically by a factor of a units.

For values of a that are negative, then the vertical compression or vertical stretching of the graph is followed by a reflection across the x-axis.

Thus, the equation with the widest graph is 0.3x^2.
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What number should be added to both sides of the equation to complete the square? X^2-10=7
Assoli18 [71]
I must assume that you meant   <span>X^2-10x =7.  If that is indeed the case, then:

</span>X^2-10x =7  =>  x^2 -10x + 25 - 25 = 7, so that (x-5)^2 = 32  (Add 25, then 
                                                                                                 subtract 25)
Then x-5 = plus or minus sqrt(16)sqrt(2) = 4sqrt(2).

Then x = 5 plus or minus 4 sqrt(2) (answers)
8 0
3 years ago
Help i need help help
Margarita [4]

A is the right answer.

8 0
3 years ago
Read 2 more answers
lisa drank 1/3 quart of orange juice and lane drank 1/2 quart of orange juice. how many quarts did they drink together
mezya [45]

Answer:

\frac{5}{6} quarts

Step-by-step explanation:

Total amount of drinks = \frac{1}{3} + \frac{1}{2}

You would want to make the denominators the same before adding them, so I will multiply the first fraction by 2 and the second one by 3 so their denominators are 6.  

\frac{1}{3} + \frac{1}{2} = \frac{2}{6} + \frac{3}{6}

Now we can directly add them together while keeping the denominator the same.

\frac{2}{6} + \frac{3}{6} = \frac{5}{6} quarts  

4 0
2 years ago
Pls help!! i am confused and i don't know what to do
frutty [35]
123493929101 alakakakakakakakaka
4 0
3 years ago
2. Maria has a garden that is 6 feet by 4 feet. What is the perimeter of Maria's garden?
Anton [14]

Answer:

  = 20 ft

Step-by-step explanation:

The perimeter is found by

P = 2(l+w)

  = 2(6+4)

   =2(10)

  = 20 ft

8 0
3 years ago
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