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sweet [91]
3 years ago
5

How do i complete the square y= X2+8X-4

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0
For x²+bx+c, to complete the square, you add (half of b)²
b=8 in this case, so you add 4², which is 16
x²+8x+16-16-4
y=(x+4)²-20 is the final form.
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Please, I need it ASAP!!!! I will give brainliest if correct!!!
LenKa [72]

Answer:

recursive: f(0) = 7; f(n) = f(n-1) -8

explicit: f(n) = 7 -8n

Step-by-step explanation:

The sequence is an arithmetic sequence with first term 7 and common difference -8. Since you're numbering the terms starting with n=0, the generic case will be ...

recursive: f(0) = first term; f(n) = f(n-1) + common difference

explicit: f(n) = first term + n·(common difference)

To get the answer above, fill in the first term and common difference values.

4 0
3 years ago
What is the y-intercept of the line perpendicular to the line...
Dominik [7]

Answer:

D) 5

Step-by-step explanation:

Perpendicular lines have opposite reciprocal slopes.

The line: y=\frac{3}{4} x+3 has a slope of \frac{3}{4} as it is  in y=mx+b form, where m is the slope, and b is the y-intercept.

Since the slope is \frac{3}{4}, we see that the negative reciprocal slope is -\frac{4}{3}, as \frac{4}{3} is the reciprocal (flip the numerator and denominator).

From here, we can use point slope form: y - y1 = m(x- x1), where (y1, x1) is  the point. In this case, (3, 1) is the point.

Thus, we have: y-1 =-\frac{4}{3}(x-3) as our final equation.

Simplifying: y-1 = -\frac{4}{3}x+4

And: y=-\frac{4}{3}x+5, which gives us the y-intercept to be 5.

Let me know if this helps!

4 0
2 years ago
The seventh grade class is putting on a verity shell to raise money it cost 1700 to rent the banquet hall That they are going to
MaRussiya [10]

Answer:

g

Step-by-step explanation:

3 0
3 years ago
Answer for bar graph of 182,000
Aneli [31]
Just split it in half and get 91,000 and put it on each side of the bar graph. 91,000 plus 91,000 equels 182,000
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3 years ago
I get up at 6:30, how many hours do I get to sleep in if there's a 2 hour delay?​
ElenaW [278]

Answer:

8:30

Step-by-step explanation:

well it's a delay so you will have to add

6:30 + 2 = 8:30

5 0
3 years ago
Read 2 more answers
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