24x2 - 48x + 24

Mathematics

2 answers:

Daniel [21]3 years ago

8 0

I got c for the answer

LekaFEV [45]3 years ago

8 0

I got c for a answer

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A line passes through the points (7, 10) and (3, 2). What is its equation in slope- intercept form?

lapo4ka [179]

In order to get an equation is slope intercept form, we need to find the slope.

The formula is:
y2 - y1
———-
x2 - x1

In this case:
10 - 2
———
7 - 3
=
8/4
2

Now that we know the slope, we can plug it into y = mx + b with x and y being x1 and y1.

y = 2x + b
10 = 2(7) + b
10 = 14 + b
-4 = b

Now, we can construct our equation.

y = 2x - 4

Hope this helped!

3 0

4 years ago

2х + 5y = 6<br>x+2y = -3 <br><br>what is x?

likoan [24]

Answer:

x = -3

In-Depth Steps:

1.) Start with the bottom equation: $x+2y=-3$

2.) Set $x$ alone on one side of the equal sign. Your equation will look like $3+2y=x$ .

3.) Plug $3+2y$ in for $x$ in the first equation. You will get $2(3+2y)+5y=6$ .

4.) Distribute. Your equation now looks like this: $(6+4y)+5y=6$ .

5.) Combine like terms. You will get $6+9y=6$ .

6.) Subtract 6 from both sides. You get $9y=0$ . We can learn that Y=0.

7.) Go back to either equation and put 0 in for y.

8.) In the top equation, it would look like $2x=6$ and the bottom equation would look like $x=-3$ . We basically got our answer of $x = -3$ , but we will plug it into the $2x=6$ equation, and in-fact, we get x = -3.