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Sveta_85 [38]
3 years ago
13

Which is the graph of a quadratic equation that has a positive discriminant? On a coordinate plane, a parabola opens up. It goes

through (negative 1, 4), has a vertex at (1, 0), and goes through (3, 4). On a coordinate plane, a parabola opens up. It goes through (negative 3, 4), has a vertex at (negative 1, 0), and goes through (1, 4). On a coordinate plane, a parabola opens up. It goes through (negative 2, 5), has a vertex at (0, 1), and goes through (2, 5). On a coordinate plane, a parabola opens up. It goes through (negative 2, 3), has a vertex at (0, negative 1), and goes through (2, 3).
Mathematics
2 answers:
Alika [10]3 years ago
8 0

Answer:

D

Step-by-step explanation:

irina [24]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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antiseptic1488 [7]

Answer: 123

Step-by-step explanation: Stop cheating idiot

5 0
3 years ago
The mean temperature for the first 4 days in January was 1°C. 
soldier1979 [14.2K]
-4 degrees I think.
5 0
3 years ago
A bag has 4 red balls and 4 balls, what is the probability of getting a red ball randomly. ​
Mkey [24]

Answer:

1/2

Step-by-step explanation:

4/8 are red. If you simplify that you get 1/2.

8 0
3 years ago
What is the sum of the polynomials?
lesya [120]

Add the like terms:

8x2+x2=9x2

-9y2-3y2=-12y2

-4x-7x=-11x

Combine each term:

9x2-12y2-11x

Hope this helps!!

5 0
3 years ago
I really need help, someone please help me
Hoochie [10]

Answer:

18.84 meters.

Step-by-step explanation:

The formula for a circle is πr^2.

πr^2 = 28.26

3.14 * r^2 = 28.26

r^2 = 9

r = plus or minus 3.

But since this deals with the area of a circle, there is no way a radius can be negative. So, the radius is 3 meters.

The formula for the circumference is 2πr.

2 * 3.14 * 3 = 6 * 3.14 = 18.84.

So, the circumference of the circle is 18.84 meters.

Hope this helps!

3 0
3 years ago
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