Multply both equations by 2 leaving
x + 2y = 8
x - 2y = -2
Add the equations giving
2x = 6
x = 3
Substitute 3 in the top equation
3 + 2y = 8
2y = -5
y = -2.5
using the given coordinates, the rectangle is 7 by 3 units
area = 7*3 = 21 square units
Answer:
What do you mean?
Step-by-step explanation:
I'm confused.....
We want to plot a graph of ;

Using the formula;


The graph will have the rose form.
And if the value of n is odd, the rose will have n petals, if the value of n is even, the rose will have 2n petals;
For the given question;
n = 2 (even)
So, the rose will have;

The graph is shown below;