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hichkok12 [17]
2 years ago
8

I need help is it A B C or D

Mathematics
2 answers:
harina [27]2 years ago
7 0
We evaluate b^2 - 4ac.  If the answer is positive, then there are two real solutions.  If it is zero, there is one real solution.  If it is negative, there are 2 complex solutions.  In this equation, a = 1, b = 5, c = 7.  Now we plug in the numbers.

5^{2}-4*1*7=1

Because this answer is positive, there are two real solutions.

tensa zangetsu [6.8K]2 years ago
6 0
You need to factor this out. When you do this, though ugly, there are two solutions.
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-(a-b)(a-bc) if a=3 b=-4 and c=2
Oxana [17]

Answer:

-77

Step-by-step explanation:

Simply plug in: -(3-(-4))(3-(-4)(2))

Because the "-" sign is outside the parentheses, you would distribute.

It would then be: -3-4. *positive and negative=negative, negative and negative=positive. -3-4=-7. It would then be: (-7) · ((3-(-4)(2))

(-4)(2)=-8. →(3-(-8))=(3+8)=11. The equation would then be: (-7) · (11)= -77

6 0
3 years ago
Read 2 more answers
Can you help me with this question ​
love history [14]

Answer:

x=−7/2,−1+i√2−1−i√2

Step-by-step explanation:

5 0
2 years ago
Can someone plz help me ty
Ostrovityanka [42]

Answer:

8/15

Step-by-step explanation:

you first want to change your whole number, 4, into a fraction so all you have to do is add a 1 in the denominator so it will be 4/1

then you multiply across

2/15 * 4/1

you first multiply 2 and 4 and your answer will be 8 which is the numerator

then multiply 15 and 1 which is 15, the denominator

then you get

8/15

5 0
2 years ago
5.4 puzzle time what has four legs but can't walk answer key
pentagon [3]

Answer:

A table

Step-by-step explanation:

A table has four legs ( supports) but cannot possibly walk because it is not a living thing. For example, see the table in the attachment, it has four legs (supports) but cannot possibly walk.

7 0
3 years ago
What are the coordinates of point A?
Virty [35]
(-4,-3) need 20 characters
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