My "work" is to enter the equations into a graphing calculator and let it show me the answers--just as your "work" is to copy the question to Brainly.
The solutions are
(x, y) = (-0.5, 7.5)
(x, y) = (3, 25)
_____
When you equate the expressions for y, you get the quadratic
2x² -5x -3 = 0
(2x +1)(x -3) = 0
x = -1/2 or 3
y = 5(x +2) = 15/2 or 25
To get -2 from 2, you would multiple by -1.
To get 2 from -2, you also would multiple by -1.
Ad infinitum.
So the common ratio is -1.
Hope this helps.
Answer:
x = −6
Step-by-step explanation:
I like to start off by simplifying the equation! Then, I use inverse operations to narrow it down until I reach the answer!
5x + 12= −18
5x + 12 <u>− 12</u>= −18 <u>− 12
</u>
5x = −30
5x<u>/5</u> = -30<u>/5</u>
<u>x = -6</u>
Answer:The general equation of a sphere is: (x - a)² + (y - b)² + (z - c)² = r², where (a, b, c) represents the center of the sphere, r represents the radius, and x, y, and z are the coordinates of the points on the surface of the sphere.
Step-by-step explanation: