3 years ago

9. Which of the following relations is a function?

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

The answer is D because the first number doesn’t reapeat

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Mandarinka [93]

Answer:

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Step-by-step explanation:

Slope: (4-2)/5-1) = 2/4 = 1/2

Slope of the perpendicular line: -2

y-intercept: 2 - (-2)(1) = 4

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Step-by-step explanation:

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Step-by-step explanation:

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Read 2 more answers

Classify the following system of equations.

zubka84 [21]

Answer:

B) consistent, dependent

Step-by-step explanation:

The given system is

45x - 30y = -90

-12x + 8y = 24

Let us make y the subject in both equations to get:

Top equation

$y = \frac{3}{2}y + 3$

Bottom equation

$y = \frac{3}{2}x + 3$

We can see that both equations are identically the same.

There is going to be infinitely many solutions.

We say the system is consistent and dependent.

The correct choice is B

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