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finlep [7]
3 years ago
10

Can you please help I have no idea how to I’m stuck

Mathematics
1 answer:
Scrat [10]3 years ago
5 0

Report this answered this on accident ........

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Find an integer value of b that makes x^2 + bx - 81 factorable.
Kaylis [27]

Answer:

b = 80

Step-by-step explanation:

Given that,

x² + bx - 81

To find,

value of b

What is factorable?

A polynomial equation with highest degree 2 is if factorable when

  1. we can find two terms which when multiples = -81x²,   <em> ( x² * - 81 = -81x² ) </em>
  2. and when add = bx

possible factors:

  1. -1x * 81x = -81x²   (Accepted)
  2. 1x * -81x= -81x²    (rejected)
  3. 9x * -9x = -81x²    (rejected)
  4. -9x * 9x = -81x²    (rejected)

Only when -1x , 81x is added -1x + 81x = 80x

so, bx = 80x

     b   = 80

<h3>The equation is x² + 80x - 81</h3>

5 0
3 years ago
Is it necessary to rename 4 1/4 if you subtract 3/4 from it
Nesterboy [21]
No because they both have the same denominator!
5 0
3 years ago
In the xy-plane above, o is the center of the circle, and the measure of
Marina86 [1]
N the xy-plane above<span>, </span>O is the center<span> of the cirlce. In the </span>xy-plane above<span>, </span>O is the center<span> of the cirlce, and the </span>measure<span> of angle AOB is pie/a radians</span>
7 0
3 years ago
For equal intervals, _____ functions have equal factors.
Lostsunrise [7]

Answer:

exponential. not linear functions because they change by equal differences not intervals.

3 0
2 years ago
Read 2 more answers
8 es un factor de 80 si o no
PilotLPTM [1.2K]
Si 1,2,4,5,8,10,16,20,40,80
4 0
3 years ago
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