Answer:
2x^{2}-3x-5 = 0
use the formula (b/2)^2 in order to create a new term. Solve for x by using this term to complete the square.
x= 5/2, -1
Y - 5x = 10 can be written in the slope-intercept form as
y = 5x + 10
The slope-intercept form is y = mx + b, where m = slope, and b = y-intercept.
In this case, the 5 is the slope.
Parallel lines have equal slopes, so the line we need to find also has a slope of 5. Its equation is
y = 5x + b
We need to find what b is.
We can use the given point, (3, 10), in for x and y and solve for b.
10 = 5 * 3 + b
10 = 15 + b
-5 = b
Now that we know that b = -5, we replace b with -5 to get our equation
y = 5x - 5
11 is 110 for x and y
12 is 90 degrees for x and y
13 is also 90 degrees for x and y
The expression would be (70+5)