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3 years ago

1.x2+3x+3=0 2.x2-2x-3=0 3.x2-6x+9=0 4.-x2+3=0

Mathematics

1 answer:

trasher [3.6K]3 years ago

5 0

Step-by-step explanation:

the two A's in the buttom is correct

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PLEASE HELP ! Will reward brainliest

klasskru [66]

<span>To find the union of the two sets simply write all of the elements together into one big set. Remove any duplicate entries (if there are any).</span>

$A \cup B = \{x,y,z,a,b,c\}$

--------------------------------------------------------------

The intersection of the two sets A and B is the set of elements that are in BOTH sets. In this case, there is no overlap so we have

$A \cap B = \{ \} = \varnothing$
which is a way of saying "the empty set"

7 0

3 years ago

What is the vertex of g(x) = 3x2 − 12x + 7?

DENIUS [597]

Answer:

C) (2, -5).

Step-by-step explanation:

Convert to vertex form:

3x^2 - 12x + 7

= 3(x^2 - 4x) + 7

Completing the square:

= 3[ (x - 2)^2 - 4)] + 7

= 3(x - 2)^2 - 12 + 7

= 3(x - 2)^2 - 5.

Comparing with the general form

a(x - b)^2 + c we see that the vertex is (b, c) = (2, -5).

7 0

3 years ago

Read 2 more answers

Could someone help me with my algebra expressions homework?

Brilliant_brown [7]

1. 2d + 3
2. 8/c
3. 4p - 8
4. (n + 3) - 8
5. t - 4
6. 6(c + 3)
7. 1/3b + 8
8. (r - 3)/8
9. 3(1/4t)
10. 3(8 + f)
11. t/8
12. 3 + (c - 8)

4 0

3 years ago

What number is between 0 and 1/3

antiseptic1488 [7]

1/6 should be the correct answer

7 0

3 years ago

Plzzzzzzzzzzzzzzzz asap help

Mashcka [7]

Answer:

2.4

Step-by-step explanation:

Okay so first what you would do is find the common difference we can find this by doing 5/3 which is 1.66666666667 (rounded to 1.7)

Then what we do is 4 divided by 1.66666666667 which is 2.4

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3 years ago