What is the equation standard form of through (2,-4))and the slope is -4

Mathematics

2 answers:

Sloan [31]3 years ago

8 0

Answer:

4x + y = 4

Step-by-step explanation:

Equation of Line in point slope form is given as:

$y - y_1= m(x-x_1)$

Plug $x_1= 2\: and\: y_1= - 4$ in the above equation we find:

$y - ( - 4) = - 4(x - 2) \\ \\ y + 4 = - 4x + 8 \\ \\ 4x + y + 4 - 8 = 0 \\ \\ 4x + y - 4 = 0 \\ \\ 4x + y = 4 \\this \: is \: the \: required \: equation.$

Keith_Richards [23]3 years ago

5 0

4x + y = 4

First we can use the info to make a slope intercept form equation

y = -4x +4 (since slope is -4 and when x= 2, y = -4)

then change to slope intercept form (ax + by = c)

4x + y = 4

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Which inequality represents the statement? The ages (a) of s group of travelers all exceeded 17 years and were no more then 54 y

klasskru [66]

Answer:

The inequality that represents the age of the group, "x", is: $17 < x \leq 54$

Step-by-step explanation:

To express this problem in an inequality we will attribute the age of the members on the group with the variable "x". There are two available information about "x", the first states that every member of the group is older than 17 years, therefore we can create a inequality based on that:

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While the second data from the problem states that none of than is older than 54 years old, this implies that they can be at most that old, therefore the inequality that represents this is:

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