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Virty [35]
3 years ago
6

Using the equation x squared minus c equals 0 , what value of c has 9 and -9 as solutions.

Mathematics
1 answer:
Svetach [21]3 years ago
3 0

9514 1404 393

Answer:

  c = 81

Step-by-step explanation:

The equation x² -c = 0 can be factored as ...

  (x -√c)(x +√c) = 0

which has roots ±√c.

The roots are given as ±9, so we have ...

  ±9 = ±√c

  c = (±9)² = 81

The value c = 81 makes the equation have ±9 as solutions.

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Line segment XY begins at (-6,4) and ends at (-2,4); XY is reflected over the x-axis and translated left 3 units to form line segment X'Y' which has a length of 4 units.

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Line segment XY begins at (-6,4) and ends at (-2,4). Hence:

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XY is reflected over the x-axis and translated left 3 units to form line segment X'Y'. Hence:

XY = X'Y' = 4 units

Line segment XY begins at (-6,4) and ends at (-2,4); XY is reflected over the x-axis and translated left 3 units to form line segment X'Y' which has a length of 4 units.

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2 years ago
Solve for x.<br><br> (x÷2)+6=50<br><br><br> x = 22<br><br> x = 28<br><br> x = 38<br><br> x = 88
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The answer is x = 88

4 0
3 years ago
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What is the length of BC on in the right triangle below? Non
skad [1K]

Answer:

C. 20

Step-by-step explanation:

You need you use the Pythagorean Theorem to answer this. We are given the lengths of both legs of the right triangle.

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If we plug the number given to us into the formula, we get

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Answer:

3 x $10.50 = $31.50

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$30.00 + $1.50 = $31.50

7 0
3 years ago
The total number of Karaks involved in flower cultivation is 1000. If the total population involved in the same is 2500, what pe
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Answer:

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Step-by-step explanation:

Giving the following information:

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