What is the value of x and y

Mathematics

1 answer:

lidiya [134]3 years ago

4 0

If you have given an equation, you see the x and y in it. Just taking second equation and think any common factor between x's variable. With common factor, multiply both and you will find the value of y and put it in any equation, you will find the value of X

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Two points located on are J(1,-4) and K(-2,8). What is the slope of ?

vodka [1.7K]

Answer:

-4

Step-by-step explanation:

The slope is usually a function of the differences in y divided by the differences in x, and it can be described in the following equation,

$Slope = \frac{y_{1} - y_{2} }{x{1} - x{2}}$ (1)

We can select any of the two points to be our first point, let's say, J(1,-4) is point 1, so J (x1,y1). In other words, $x_1 = 1 and y_1 = -4$ and by the same way, for K(-2,8). Therefore, $x_2 = -2 while y_2 = 8$ . By substituting these values in equation 1, we can deduce the following

$slope = \frac{y_2 - y_1}{x_2 - x_1} = \frac{8 - (-4)}{-2 - 1} = \frac{8 + 4}{-2 - 1} = \frac{12}{-3} = -4$

3 0

2 years ago

PLEASE HELP ASAP PLEASE

Bond [772]

Answer:

So, if ya wanna solve this question and of course questions alike, ya gotta pay attention to the graph. mean All of these parabolic chart have the domain of R

Step-by-step explanation:

So there ya go

D=R

and now bout the range ya gotta find the vertex, which is:

$x = \frac{ - b}{2a} \: \: y = \frac{Δ}{4a}$