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3 years ago

X^2-2x+15 in quadratic equation

Mathematics

1 answer:

Arturiano [62]3 years ago

3 0

Answer:

No solution

Step-by-step explanation:

There is not a real nor an imaginary solution to this equation. You can use a radical calculator to verify.

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I need help with the equation.

natulia [17]

Answer:

(x - 3)² + (y + 9)² = 25

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

Given area = 25π , that is

πr² = 25π ( divide both sides by π )

r² = 25 ( take the square root of both sides )

r = $\sqrt{25}$ = 5

With centre (h, k) = (3, - 9 ) and r = 5 , then

(x - 3)² + (y - (- 9) )² = 5² , that is

(x - 3)² + (y + 9)² = 25

8 0

3 years ago

Read 2 more answers

Ryan has 9 lollipops and 5 chocolate bars. What is the ratio of lollipops to chocolate bars?

anzhelika [568]

Answer:

9:5

ratios are just putting the numbers next to each other with ':' in the middle

Step-by-step explanation:

4 0

3 years ago

Plz solve . 3+ x > -9

STALIN [3.7K]

Answer:

Step-by-step explanation:

3 + x>-9 x=12 15>-9

5 0

3 years ago

If 10^2y = 25, then 10^-y equals: (a) -1/5 (b) 1/625 (c) 1/50 (d) 1/25 (e) 1/5

Gemiola [76]

<h3>given:</h3>

$10 ^{2y} = 25$

${10}^{y} = .......$

<h3>solution:</h3>

$10 ^{2y} = 25$

$(10y {)}^{2} = {5}^{2}$

$10y = 5$

$\frac{1}{ {10}^{y} } = \frac{1}{5}$

${10}^{ - y} = \frac{1}{5}$

therefore, the correct answer is option E.

8 0

2 years ago

Read 2 more answers

Which expression is equivalent to 6 (a-3)?

maksim [4K]

Answer:

Step-by-step explanation:

It's very easy

4 0

3 years ago

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X^2-2x+15 in quadratic equation​

X^2-2x+15 in quadratic equation