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Lubov Fominskaja [6]
3 years ago
11

What are the solutions for x when y is equal to 0 in the following quadratic

Mathematics
1 answer:
navik [9.2K]3 years ago
6 0

<u>Answer:</u>

The correct answer option is E) No solution.

<u>Step-by-step explanation:</u>

We are given the following quadratic equation which we are to solve for x when the value of y is 0:

y = x ^2+ 6x +12

x ^2+ 6x +12=0

Using the quadratic formula since there are no factors:

x=\frac{-b \pm \sqrt{b^2-4ac }}{2a}

Substituting the values in the formula to get:

x=\frac{-6 \pm \sqrt{6^2-4(1)(12) }}{2(1)}

x=-3+\sqrt{3}i or x=-3-\sqrt{3}i

There are no real number solutions to this quadratic equation.

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The shaded region is defined by an angle measuring 3π/ 2 radian. The area of the shaded region is 21.206 square inches. Find the
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B

Step-by-step explanation:

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3 years ago
Using the formula in model 1, choose the correct answers for the total amount and amount of interest earned in the following com
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The total amount is $ 1015.82 and interest amount is $ 165.82

<em><u>Solution:</u></em>

<em><u>The formula for amount when interest is compounded annually is:</u></em>

\mathrm{A}=P\left(1+r}\right)^{n}

Where,

"A" is the total amount

"P" is the principal

"r" is the rate of interest in decimal form

"n" is the number of years

<em><u>From given, $850 at 2% for 9 years, compounded annually</u></em>

P = 850

t = 9 years

r = 2 \% = \frac{2}{100} = 0.02

<em><u>Substituting the given values we get,</u></em>

A = 850(1+0.02)^9\\\\A = 850 \times 1.02^9\\\\A = 850 \times 1.1950\\\\A = 1015.82

Thus total amount is $ 1015.82

Interest amount = Total amount - principal

Interest amount = 1015.82 - 850

Interest amount = 165.82

Thus total amount earned is $ 1015.82 and interest amount is $ 165.82

7 0
3 years ago
tell whether the ratio is in simplest form, if not, then write it in simplest form 1)8:6 2)48/28 3)7 to 9
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8/6= 1 1/3

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7/9 is in simplest form

8 0
2 years ago
Help please?
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Answer:

Step-by-step explanation:

with the largest measure

8 0
3 years ago
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.Sammie paid $249.99 for a game system and then bought two equally-priced games. If she spent a total of $339.97, what is the pr
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Answer: $44.99

Step-by-step explanation:

Let P = equal prices games

The equation would be

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Subtract 249.99 from each side

2p=339.97

Divide by two and you got the answer.

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2 years ago
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