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Dima020 [189]
3 years ago
6

Choose the equation that shows a step in the process of completing the square on the given quadratic. y = x^2 + 8x – 3

Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

y = x^2 + 8x - 3

y = x^2 + 8x + (8/2)^2 - 3 - (8/2)^2

y = x^2 + 8x + 16 - 3 - 16

Step-by-step explanation:

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Algebraic equation of 185 is less than a number
kkurt [141]

Answer:

n-185

Step-by-step explanation:

since 185 needs to be subtracted from a number, or n

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F(x) = -2x − 5 for x = 3
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3 years ago
X + 25/-8 = -6 Solve for x.<br> Simplify your answer as much as possible.
balandron [24]

Step-by-step explanation:

if there is nothing missing, we have

x + 25/-8 = -6

in order to compare or add or subtract fractions, we need to bring them all to the same denominator (bottom part).

remember, integer numbers are fractions too. like here

-6 = -6/1

25/-8 = -25/8

so, how can we bring -6/1 to .../8 ?

by multiplying 1 by 8.

but we cannot multiply only the denominator by 8. otherwise we would suddenly have

-6/8

and is -6/8 = -6/1 ? no, certainly not.

to keep the original value of the fraction we have to do the same multiplication also with the numerator (top part).

so, we actually do

-6/1 × 8/8 = -48/8

with this little trick we have now .../8 to operate with, and our transformed fraction has still the same value

-6/1 = -48/8 indeed.

so, we have

x + -25/8 = -48/8

x - 25/8 = -48/8

x = -48/8 + 25/8 = -23/8

3 0
2 years ago
Domain and, range in interval notation
Bas_tet [7]

Domain: [-4,4]  (left-to-right or x-values used)

Range: [-4,4] (down-to-up or y-values used)

Function: no

4 0
3 years ago
What is the GCF of 48 and 36
slega [8]

Answer:

12 is the gcf of 48 and 36

Step-by-step explanation:

Hope this helps :)

3 0
3 years ago
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