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lorasvet [3.4K]
3 years ago
9

Which of the following correctly shows the quadratic formula?

Mathematics
2 answers:
Gre4nikov [31]3 years ago
7 0
The first option is the correct quadratic formula
muminat3 years ago
3 0

Answer:

A) x = \frac{-b +/- \sqrt{b^2 - 4ac} }{2a}

Step-by-step explanation:

The general form a  quadratic equation y = ax^2 + bx + c, where a \neq 0..

We use quadratic formula when we find the solution of a quadratic equation.

The quadratic equation has two solutions.

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

Therefore, the answer is A) x = \frac{-b +/- \sqrt{b^2 - 4ac} }{2a}

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On her English test, Michelle answered 40 questions correctly, answered 5 questions incorrectly, and left 5 questions unanswered
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Answer:

10%

Step-by-step explanation:

40+5+5=50

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A salesperson is paid a base salary of $300 a week plus a 5% commission on the sales he generates. Which inequality best represe
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The expression can be written as the inequality:

300+0.05s≥500

300$ is made per week, so we start off with

300

He also makes 5% or 0.05 from his sales, so we add in the expression 0.05x (where s is equal to his sales volume for the week)

300+0.05s

If he wants to make at least 500$ weekly, then the total of the base salary plus the commission has to be 'greater than or equal to 500.

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Lets solve for s now...

300+0.05s≥500
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3 years ago
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Consider the table of values and the equation, which both represent a function,
Volgvan

Answer:

y = 5x - 2

Step-by-step explanation:

✅Rate of change = change in y/change in x

Rate of change of the table of values using two pairs of values from the table (2, 8) and (3, 11):

Rate of change = (11 - 8)/(3 - 2) = 3/1

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✅Rate of change of the equation, y = 5x - 2.

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Where, m = slope/rate of change

Therefore, rate of change if the equation would be 5.

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