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3 years ago

Graph the line perpendicular to x = -2 that passes through ( -3, 7)

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

8 0

Answer:

The parallel line would be y = 7

Step-by-step explanation:

If a line is parallel to x = -2, then it is a horizontal line. All horizontal lines can be written in the form of y = (a number). That number can be found as the y-coordinate in the ordered pair given.

y = 7

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What is the least possible degree of a polynomial that has the root -3 + 2i, and a repeated root -2 that occurs twice?

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3 years ago

(1/27)^x-6=27 Could I please have a step by step as well? Much appreciated!

Andrei [34K]

Answer:

$x = 7$

Step-by-step explanation:

1) Use Division Distributive Property: (x/y)^a = x^a/y^a.

$\frac{1}{ {27}^{x - 8} } = 27$

2) Multiply both sides by 27^x - 8.

$1 = {27} \times 27^{1 + x - 8}$

3) Use the product rule: x^a x^b = x^a+b.

$1 = {27}^{1 + x - 8}$

4) Simplify 1 + x - 8 to x - 7.

$1 = {27}^{x - 7}$

5) Use Definition of Common Logarithm: b^a = x if and only if logb (x) = a.

$log_{27}1 = x - 7$

6) Use Change of Base Rule.

$\frac{ log_1 }{ log{27} } = x - 7$

7) Use rule of 1: log 1 = 0.

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8) Simplify 0/log_27 to 0.

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9) Add 7 to both sides.

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3 years ago

(4x+3) = (7x-6) more math :)

Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

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