3 years ago

Select the polynomial that is a perfect square trinomial

Mathematics

1 answer:

netineya [11]3 years ago

5 0

Its the last choice

16x^2 - 8x + 1 = (4x - 1)^2

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-21

Step-by-step explanation:

2-8 × 2-7 = 2-(8×2)-7

= 2-16-7

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Learning goal: to understand the rules for computing dot products. let vectors a=(2,1,−4), b=(−3,0,1), and c=(−1,−1,2). part a -

miv72 [106K]

For this case we have the following vectors:
$a = (2,1, -4)

b = (- 3,0,1)

c = (- 1, -1,2)$
The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
$a.b = (2,1, -4). (- 3,0,1)

a.b = (2) (- 3) + (1) (0) + (-4) (1)

a.b = - 6 + 0 - 4

a.b = - 10$
Answer:
The product point of the vectors a and b is:
$a.b = - 10$

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3 years ago