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cricket20 [7]
3 years ago
13

Which expression is a factor of 9x^2-4x+1 ( ps ^2 is an exponent)

Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0

Answer:

The discriminant b2−4ac < 0, the equation has no real number solutions, it has complex solutions

Step-by-step explanation:

9x² - 4x + 1 = 0     ax² + bx + c = 0

The discriminant: b² - 4ac = (-4)² - 4*9*1 = 16 - 36 = -20

b2−4ac < 0, the equation has no real number solutions, it has complex solutions

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Before you do the steps, change the fractions given to improper fractions:
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Now, I think the first step they want you to write is:
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When you divide two fractions, it's the same as multiplying the first fraction by the reciprocal of the second fraction. (A reciprocal is a fancy way of saying you flip the fraction)
So the next step will look like this:
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With this setup, you can cross simplify the fractions so that they look like this:
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Given the expression

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