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3 years ago

Given p(x) = 2x3 − 8x2 + 13x − 21, _ is a factor because _.

Mathematics

1 answer:

lyudmila [28]3 years ago

8 0

<span>Given p(x) = 2x3 − 8x2 + 13x − 21, x - 3 is a factor because p(3) = 0. </span>

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Answer:

$\angle PRQ = 80$

Step-by-step explanation:

Given

$\angle SPR = 145^o$

$\angle POT = 115^o$

See attachment

Required

Find $\angle PRO$

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$\angle RPO + \angle SPR = 180$ --- angle on a straight line

So, we have:

$\angle RPO + 145 = 180$

Collect like terms

$\angle RPO = 180 - 145$

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Next, calculate PQR

$\angle POR + \angle POT = 180$

So, we have:

$\angle POR + 115 = 180$

Collect like terms

$\angle POR = 180-115$

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So, we have:

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2 years ago

Given p(x) = 2x3 − 8x2 + 13x − 21, ___ is a factor because ___.

Given p(x) = 2x3 − 8x2 + 13x − 21, _ is a factor because _.