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jenyasd209 [6]
1 year ago
7

If the discriminant, b^2-4ac is ___, a quadratic will have two real roots, two points of intersection with the x-axis.

Mathematics
1 answer:
den301095 [7]1 year ago
6 0

If the discriminant, b² - 4ac is<u> positive</u>

<h3>How to complete the statement?</h3>

From the question, we have the following equation of discriminant

The discriminant (d) is calculated as

d = b² - 4ac

The solutions of a quadratic equation are dependent on the following conditions

  • If d = 0, the quadratic equation has 1 real solution
  • If d < 0, the quadratic equation has imaginary solutions
  • If d > 0, the quadratic equation has 2 different real solutions

This means that "d > 0, the quadratic equation has 2 different real solutions" implies that the discriminant is positive

Hence, the complete statement is (b) positive

Read more about discriminant at

brainly.com/question/64103

#SPJ1

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4 years ago
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3 years ago
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\sf\huge{Answer :-}

\implies\sf{ {2}^{4x} = 78 }  \\ \implies\sf{ ({2}^{4})^{x}  = 78 } \\  \implies\sf{ {16}^{x} = 78 } \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \implies\sf{ x =  log_{16}(78)  } \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \implies\sf{x = 1.5713505547\: } \\\implies\sf{x = 1.57}

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2 years ago
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The answer is D.
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