1 year ago

The second quadrant contains which point? Choose one below.

Mathematics

1 answer:

siniylev [52]1 year ago

3 0

Answer:

Step-by-step explanation:

In quadrant 2 (second quadrant) the X is negative and the Y is positive.

So C is the answer.

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Given ƒ(x) = 9x + 54, find x when ƒ(x) = 18. A)−6 B)−4 C)3 D)8

Katen [24]

Answer:

B. -4

Step-by-step explanation:

We want to find x such that f(x)=18.

We need to therefore solve 9x+54=18 forx.

9x+54=18

Divide both sides by 9:

(9x+54)/9=18/9

9x/9+54/9=18/9

Simplify:

x+6=2

Subtract 6 on both sides:

x=2-6

Simplify

x=-4.

So f(-4) should have value 18.

Let's check.

f(x)=9x+54

f(-4)=9(-4)+54

f(-4)=-36+54

f(-4)=18

So the answer is B.

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Answer:

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Step-by-step explanation:

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