So, the problem is asking for one of the equations to be rewritten. Lets rewrite the second one. The way to create a system of equations that will cancel is to create a situation where the a or b of both equations add to 0. In this case, we can multiply the second equation by 3 to turn the 3y into 9y.
Our new system is 
and . We can now add these together.
Adding each part straight down, we get the equation:
We now have an equation with a single variable, which also tells us that x is equal to 27.
Extra: To find the value of y after this, we merely need to plug in the value of x to one of the equations and solve for y.
Let's make a reference triangle with the x and y axes as the legs of the right triangle. The hypotenuse is the slope where the angle of elevation is based. Given an angle of elevation of 53 degrees, the remaining angle is 37 degrees. Use sine law to calculate for the hypotenuse:
(sin 53/x) = (sin 37/y) = (sin 90/z)
solve for x, y and z. The slope is y/x
16, this is the only one of these numbers that is even
hope this helps. gl!
Answer:
C. (1,2)
Step-by-step explanation:
They intersect at 1,2.
You have to swap to (x,y) to (y,x) and make the y negative so it would be (-y,x) and since it’s counterclockwise it would be in the 4th quadrant
