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3 years ago

6

Which statement best describes the solution to this system of equations?

1 answer:

kondaur [170]3 years ago

3 0

Answer:

x=-3

y=26

Step-by-step explanation:

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Tell him to stop buying shoes, you wouldnt have this questions.

that would be 1/2 :P

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Which of the following are square roots of 265

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Step-by-step explanation:

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Joe is mowing lawns to buy a new car. For every lawn that he mows he earns $20. Joe charges a one time clean up fee of $50 befor

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3 years ago

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A quadratic equation has a

11111nata11111 [884]

Answer:

$\boxed {\boxed {\sf 2 \ real \ solutions }}$

Step-by-step explanation:

The quadratic formula is:

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

The discriminant of a quadratic is just the expression under the square root, or $b^2-4ac$ . This can tell us the number of solutions a quadratic has.

If the discriminant is:

Positive = 2 real solutions
Equal to Zero = 1 real double/repeated solution
Negative = 0 real solutions, but 2 imaginary solutions

Our quadratic equation has a discriminant of 5, which is positive. Therefore, it has 2 real solutions.

6 0

3 years ago