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9966 [12]
3 years ago
7

Find the values for a and b that would make the equality true.

Mathematics
1 answer:
zepelin [54]3 years ago
8 0

Answer:

a = - 4, b = 5

Step-by-step explanation:

Expand the left side, then compare the coefficients of like terms.

- 3(2x² + ax + b)

= - 6x² - 3ax - 3b, compare to - 6x² + 12x - 15

Compare coefficients of x- terms

- 3a = 12 ( divide both sides by - 3 )

a = - 4

Compare constant terms

- 3b = - 15 ( divide both sides by - 3 )

b = 5

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zimovet [89]
The correct answer is option D i.e. 60 The given equation is : 3x^2 + 6x - 2 = 0 The discriminant is given as = {b^2 - 4ac}/2a; where a = 3, b = 6 and c = -2d Thus, D = {6^2 - 4(3)(-2)} or D = {36 + 24} or D = 60 

 
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4 years ago
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Under what operations are the set of integers closed? Explain your answer. UPDATE ANSWER IS
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Answer:

see below

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HELPPP!!!
spayn [35]

Answer:

  A. see below for a graph

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A. See below for a graph. The vertices are those defined by the second inequality, since it is completely enclosed by the first inequality: (0, 0), (0, 15), (10, 0)

__

B. For f(x, y) = 4x +6y, we have ...

  f(0, 0) = 0

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<em>Comment on evaluating the objective function</em>

I find it convenient to draw the line f(x, y) = 0 on the graph and then visually choose the vertex point that will put that line as far as possible from the origin. Here, the objective function is less steep than the feasible region boundary, so vertices toward the top of the graph will maximize the objective function.

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PLEASE I NEED 2 ANWOERS AND I NEED U TO AWNSOR ALL 3 ONE WILL GET BRAINLEIST 10 PTS
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For The First Picture, I Would Say 10/12. It's Equivalent, And It's The Only One That Really Fits 1/2.
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3 years ago
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MrRissso [65]
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Use the bottom side. Going from the first triangle to the second the scale factor is:
15/9 = 5/3
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