The point (-1,-4) is on the line given by which equation below ?

Mathematics

2 answers:

hammer [34]3 years ago

8 0

Answer:

Step-by-step explanation:

To determine which line the point lies on , substitute the x-coordinate into the equation and if the value of y corresponds to the y-coordinate then the point lies on the line

y = x - 4 = - 1 - 4 = - 5 ⇒ point does not lie on the line

y = - 4x = - 4 × - 1 = 4 ⇒ point does not lie on the line

y = x + 4 = - 1 + 4 = 3 ⇒ point does not lie on the line

y = 4x = 4 × - 1 = - 4 ⇒ point lies on the line

Vlad1618 [11]3 years ago

4 0

Answer:

D. y = 4x

Step-by-step explanation:

y = 4x

Plug in The point (-1,-4) into the equation

when x = -1, y = 4(-1) = -4

So (-1,-4) is the solution of y = 4x

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ludmilkaskok [199]

Answer:

2/5

Step-by-step explanation:

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2 years ago

Read 2 more answers

A group of 15 people are going to run a race. The top 8 will advance to the finals. Determine if the situation is a permutation

LUCKY_DIMON [66]

For the given situation we have a total of 259,459,200 permutations.

<h3>How many permutations are?</h3>

First, how we know that it is a permutation?

Because the order matters, we aren't only selecting 8 out of the 15 people, but these 8 selected also have an order (is not the same thing to finish the race first than fourth, for example).

Then we need to find the number of permutations, to do it, we need to find the numbers of options for each of the 8 positions.