area = x^2 -10x+25
side = sq root area
x^2-10x+25 = (x-5)(x-5) = (x-5)^2
=》 side = (x-5)
<u>Given</u>:
The system of linear equations are 
and 
We need to determine the solution to the system of equations using substitution method.
<u>Solution</u>:
The solution can be determined using the substitution method.
Let us substitute 
in the equation
Thus, we have;
Thus, the value of y is -17.
Substituting in the equation , we get;
Thus, the value of x is -13.
Hence, the solution to the system of equations is (-13,-17)
Answer:
The percent increase in the advance-purchase deadline is 30% because if you divide $90 by 10 you get 9 and multiply that by 3 and you will get an 30% increase
word problem: 90 ÷ 10= 9 x 13 =1 17
The vertical line test is used to determine whether a given graph represents a function or not. Let's jump into some examples:
Draw a circle. Draw a vertical line through this circle. How many times does the line intersect the circle? Twice. If that's the case, there is more than one y-value for a given x value, meaning that this graph does NOT represent a function.
Draw the line y = 2x -1. Draw a vertical line thru it. How many times does this vertical line intersect the line y = 2x - 1? Once. For each x value, there is exactly one y value. This graph WOULD represent a circle.
