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3 years ago

If the discriminant of an equation is positive, which of the following is true of the equation

Mathematics

2 answers:

lions [1.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

Strike441 [17]3 years ago

5 0

Answer:

C it has two real solutions

Step-by-step explanation:

If the discriminant of a quadratic equation is positive, it means that the graph intersects the x-axis, and hence produces two real solutions.

If the discriminant is zero, then the graph is tangential to the x-axis, and there will be two real <em>coincident</em> solutions.

If the discriminant is negative, then there are two complex solutions.

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denpristay [2]

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Step-by-step explanation:

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3 years ago

#20 is this the correct answer bc I'm not sure what it means when it says "what are the areas of the two sectors" does that mean

Lelechka [254]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
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\\\\\\
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-----------------------------\\\\
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3 years ago

-5x + y = -3 and –x - 5y = - 11 by substitution

KATRIN_1 [288]

Answer:

x = 1, y = 2

Step-by-step explanation:

-5x + y = -3, we get y = 5x - 3.

Then plugs into the second equation, we get

-x - 5 (5x-3) = -11.

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3 years ago

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