3 years ago

The first two steps in the derivation of the quadratic formula by completing the square are shown below.

1 answer:

3 0

Answer:C

Step-by-step explanation:

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Nuetrik [128]

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Step-by-step explanation:

Once you graph it, the solutions are where the graph meets the x axis.

This is at -4 and 9.

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Talja [164]

X/3 = 6/9
x= 6/9 x 3/1
x = 18/9 = 2

ANSWER=2

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3 years ago

nikitadnepr [17]

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Step-by-step explanation:

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Misha Larkins [42]

Answer: $\frac{15+8a}{15a}$

Step-by-step explanation:

$=\frac{1}{3a} +\frac{3}{5} -\frac{1}{15}+ \frac{2}{3a} \\= \frac{1}{3a} +\frac{8}{15} +\frac{2}{3a} \\=\frac{5+8a+10}{15a} \\=\frac{15+8a}{15a}$

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1 year ago