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baherus [9]
2 years ago
8

Pls help me I need to pass

Mathematics
1 answer:
alina1380 [7]2 years ago
5 0
I think it 4 and -5 hope this help
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Determine the next step for solving the quadratic equation by completing the square.
Lady_Fox [76]

Answer:

-7/2 = -2(x-1/2)^2

Step-by-step explanation:

0 = –2x^2 + 2x + 3

Subtract 3 from each side

-3 = –2x^2 + 2x

Factor out the -2

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

Take the coefficient of x and divide by 2 and square it

-1 /2 = -1/2 ^2 = 1/4

Add it to each side  Remember the -2 on the outside so we need to multiply it by -2  

-2 *1/4 =  -1/2

-3 -1/2= -2(x^2 -x +1/4)

-7/2 = -2(x^2 -x +1/4)

-7/2 = -2(x-1/2)^2

6 0
3 years ago
Read 2 more answers
3x-2y=-1 and 3x-2y=9 solve using elimination
luda_lava [24]
You can put them vertically
then subtract them
but if you do it, it will be 0=-10 that doesn't make sense. 
So the answer is that there is no answer!
3 0
3 years ago
If a line contains the point (0, -1) and has a slope of 2, then which of the following points also lies on the line?
ruslelena [56]
The answer is B because y=2x-1
4 0
2 years ago
Read 2 more answers
Domain: -00 &lt; x &lt; 00<br><br>Range: pi/2 ≤ y ≤ pi/2<br><br> what is tan^ -1 (1) =​
e-lub [12.9K]

Answer:

π/4

Q1

Step-by-step explanation:

Other options for arctan(1) is 5π/4 + nπ, where n is a whole number, but they are all outside the Range.

6 0
3 years ago
Find the slope of the line that passes through (1,3) and (8,9)​
Volgvan

Answer:

6/7

Step-by-step explanation:

4 0
3 years ago
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