3 years ago

Which explains how to show that x= -8/3 is a root of 9x^2+48x+64= 0 ?

1 answer:

4 0

Step-by-step explanation:

$9 {( - \frac{8}{3}) }^{} {}^{2} + 48( - \frac{8}{3} ) + 64 \\ \\ 9( - \frac{64}{9} ) - \frac{48}{3} + 64 \\ \\ - 64 - 16 + 64 = - 16$

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lana66690 [7]

Step-by-step explanation: To simplify, we will apply the <em>Quotient Rule</em>.

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6 0

3 years ago

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fenix001 [56]

Answer:

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Step-by-step explanation:

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2 years ago

What is a b c in 3x^2+4=5x

____ [38]

Answer:

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Step-by-step explanation:

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Subtract 5x from each side

3x^2-5x+4=5x-5x

3x^2-5x+4=0

The equation is in the form

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5 0

3 years ago

Sam has striped and spotted socks in his draw in

mojhsa [17]

Answer:

14 spotted socks

Step-by-step explanation:

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Sam has 7 units of spotted socks.

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2 years ago

Geometry... Please help and I'll mark brainliest if I can. Triangle proofs & reasons

cluponka [151]

Answer:

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Step-by-step explanation:

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