The linear equation can represent the ages of two sisters that are born one-year apart.
<h3>
What situation can model the given linear equation?</h3>
Here we have the linear equation:
y = x + 1
So the value of y is always one more than the value of x, so for example, suppose that two sisters are born one-year appart, then we can use the above linear equation to represent the age of the older sister as a function of the age of of the younger one.
In that case, the slope of 1 means that both of the sisters age at the same ritm.
The y-intercept of 1 means that the older sister is 1 years old when the younger sister was born.
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Answer:
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Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
The slope of a line when given two coordinates can be found using the formula ![\frac{y_{1} - y_{2}}{x_{1} - x_{2}}](https://tex.z-dn.net/?f=%5Cfrac%7By_%7B1%7D%20-%20y_%7B2%7D%7D%7Bx_%7B1%7D%20-%20x_%7B2%7D%7D)
In this case, the first pair of coordinates are
and
and the second pair of coordinates are
and
.
Therefore:
= -2
= 7
= 3
= -3
Next, just plug these values into the slope formula from above.
![\frac{7-(-3)}{-2-3}](https://tex.z-dn.net/?f=%5Cfrac%7B7-%28-3%29%7D%7B-2-3%7D)
The numerator is 10 (the two negative signs become a positive) and the denominator is -5.
can be simplified by dividing the numerator and denominator by -5 to give
or simply -2.
Therefore, the slope of the line is -2.
The 2nd selection (-1, -8) is an exact solution.
_____
The 4th selection (-4.5, -22) is an approximate solution.
Perimeter (P)= 2Length (L) +2Width (W)
P=2L + 2W
P=(2y)+(3y-5)
P=5y-5
A. 5y-5