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Eddi Din [679]
3 years ago
6

Which tool is not needed to construct a perpendicular bisector?

Mathematics
2 answers:
Dafna11 [192]3 years ago
8 0
A compass because youre just making two arcs
Mars2501 [29]3 years ago
3 0

Answer:

C:protractor

Step-by-step explanation:

A compass is needed to draw arcs that are used to determine the position of the perpendicular bisector

A pencil works hand in hand with the compass

A straightedge is used to draw straight line that will be the bisector.

Note that a protractor is used to measure angles and not to construct angles.

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Step-by-step explanation:

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Using the completing-the-square method, rewrite f(x) = x2 + 10x + 7 in vertex form
mr Goodwill [35]

Answer:

f(x) = (x - (-5))^2 + (-18)

Step-by-step explanation:

Given:

f(x) = x^2 + 10x + 7

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Solution:

f(x) = ax^2 + bx + c is a quadratic function.

The vertex form of f(x) is a(x - h)^2 + k, where (h, k) is the vertex.

=> f(x) = x^2 + 10x + 7

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          = (x + 5)^ - 18

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=> f(x) can be rewritten in form of a(x - h)^2 + k, where (h, k) is the vertex, with a = 1, h = -5, k = -18

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Step-by-step explanation:

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