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Vadim26 [7]
3 years ago
6

What indicators predict that a quadratic function will have a complex solution?

Mathematics
1 answer:
zysi [14]3 years ago
8 0
The nature of the roots can be determined by the determinant of the equation. The determinant is:
b² - 4ac

If this is positive, there are two roots
If this is 0, there is only one root
If this is negative, there are complex roots
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Graph the inequality y > |x + 1| – 1. Which point is NOT part of the solution? (–1, 2) (1, −1) (–1, 0) (1, 3)
neonofarm [45]

Answer:

(1,-1)

Step-by-step explanation:

If you try plugging in the numbers for x in the equation y > Ix + 1I - 1, you'll find the answer.

3 0
3 years ago
why do the products of multidigit numbers with zeros & one digit sometimes have zeros in them & sometimes have no zeros
Bingel [31]
Im not quite triggered but U should go to mathantics.com or watch his videos to find it out :D
3 0
3 years ago
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This graph shows the water level as a bathtub is filled. How many inches does the water level in the bathtub increase by every 1
Andrews [41]
It increases by 3 every minute. 
7 0
3 years ago
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The mass of a basket with 25 chocolate bars is 1110g. The mass of the empty basket is 310 g. A. What is the mass of 1 chocolate
shusha [124]

Answer:

A. 32 g

B. 3670 g

Step-by-step explanation:

Basket + 25 bars: 1110 g

Basket: 310 g

25 bars: 1110 g - 310 g = 800 g

1 bar: 800 g / 25 = 32 g

105 bars: 105 × 32 g = 3360 g

Basket + 105 bars: 310 g + 3360 g = 3670 g

Answer:

A. 32 g

B. 3670 g

5 0
2 years ago
What is the value of the rate of change when we put a glass of water at room temperature in the freezer for 15 minutes, what is
alexgriva [62]

Answer:

Step-by-step explanation:

I do not understand your question very well but I think that the state of the glass of the water would be liquid and solid at the same time since the water would not freeze 100% and would be with small pieces of solid and some parts liquid, in terms of temperature, I think that at 5 minutes it would be 5 ° C and at 10 it would be 3-4 ° C the longer it is in the freezer the less its temperature will be

(All of that is my point of view)

Average temperature 30 °

So :

30 ÷ 15 = 2 °

30 ÷ 10 = 3 °

30 ÷ 5 = 6 °

3 0
3 years ago
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