198k views
5 votes
PLEASE ANSWER ASAPPP!!!! ‼️

PLEASE ANSWER ASAPPP!!!! ‼️-example-1

2 Answers

7 votes

I believe the answer is (-1,4).

I entered the coordinates into a desmos graphing calculator to find the point of intersection.

PLEASE ANSWER ASAPPP!!!! ‼️-example-1
User Lejuan
by
7.7k points
5 votes

Answer: (-1, 4)

Don't forget the surrounding parenthesis.

====================================================

Step-by-step explanation:

Since y is equal to both 7x+11 and -3x+1, we can equate those two expressions to solve for x.


7x+11 = -3x+1\\7x+3x = 1-11\\10x = -10\\x = -10/10\\x = -1\\

Then use this x value to determine y. Pick either of the original equations.


\begin{array}l\text{Option 1} & \text{Option 2}\\\cline{1-2} y = 7x+11 & y = -3x+1\\y = 7(-1)+11 & y = -3(-1)+1\\y = -7+11 & y = 3+1\\y = 4 & y = 4\\\end{array}

Both options lead to the same y value (y = 4), which helps confirm we have the correct x value. You do not have to do both options. Pick whichever you prefer better.

The solution is (x,y) = (-1, 4)

This is where the two lines intersect. You can use a graphing calculator like Desmos or GeoGebra to visually confirm the answer.

User Vnvizitiu
by
8.5k points