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3 years ago

Which shows two expressions that are equivalent to (- 8) (- 12) (2)?

Mathematics

2 answers:

Lana71 [14]3 years ago

8 0

Answer:

D is correct.

Step-by-step explanation:

Keep in mind that a negative multiplied by a negative is positive, and that a postive times a negative is a negative.

With this in mind the first expression -8*-12*2 will be a postive 192.

A is incorrect because -92*2 will be negative.

B is incorrect because -1*192 will be negative.

C is incorrect because -96*2 will be negative.

bonufazy [111]3 years ago

6 0

Answer: D (-8)(-24) and (-16)(-12)

Step-by-step explanation:

The first expression is equivalent to 192

Therefore, both must be positive which eliminates answer A, B, and C

Therefore the answer must be D

8x24 = 192

16x12=192

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Step-by-step explanation:

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Complete the square to rewrite y-x^2-6x+14 in vertex form. then state whether the vertex is a maximum or minimum and give its co

ycow [4]

Answer:

$y= x^2 -6x +(\frac{6}{2})^2 +14 -(\frac{6}{2})^2$

And solving we have:

$y= x^2 -6x +9 + 14 -9$

$y= (x-3)^2 +5$

And we can write the expression like this:

$y-5 = (x-3)^2$

The vertex for this case would be:

$V= (3,5)$

And the minimum for the function would be 3 and there is no maximum value for the function

Step-by-step explanation:

For this case we have the following equation given:

$y= x^2 -6x +14$

We can complete the square like this:

$y= x^2 -6x +(\frac{6}{2})^2 +14 -(\frac{6}{2})^2$

And solving we have:

$y= x^2 -6x +9 + 14 -9$

$y= (x-3)^2 +5$

And we can write the expression like this:

$y-5 = (x-3)^2$

The vertex for this case would be:

$V= (3,5)$

And the minimum for the function would be 3 and there is no maximum value for the function

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4 years ago