Keywords
parallel, perpendicular, graphing, linear equation, slope, lines
we know that
If two <u>lines</u> are <u>perpendicular</u>, then the product of their <u>slope</u> is equal to minus one
so
If two <u>lines</u> are <u>parallel</u>, then their <u>slope</u> are equal
In this problem we have
--------> <u>linear equation</u> A
the <u>slope</u> is
--------> <u>linear equation</u> B
the <u>slope</u> is
Find the product
---------> the <u>lines</u> are <u>perpendicular</u>
therefore
the answer is the option B
Perpendicular
using a<u> graphing</u> tool
see the attached figure
CDAB
4.2 (convert to frac on ur own)
12.5=x
CB= 14.5
AB= 8.82
The value of the jewelry will be worth $2,693.
Since this is a rate of appreciation, this means the amount is going up. Thus, we can model the equation below:
A = 1000*(1.06)^t
In this equation, t is equal to the number of years since its purchase. Since it is worth 6% more than its original whole version., that is why we pick 1,06. So, we put 17 in for t to find the answer.
A = 1000 * (1.06)^17
A = 1000 * 2.693
A = $2,693
Answer:
The Slope(Slope = 7) represents the amount by which her savings increases per week.
The Y-intercept(Y intercept = 20) represents her initial savings before starting this process of saving 7$ per week.
Step-by-step explanation:
Given,
Initial Savings = 20$,
Additional savings per week = 7$,
Assuming 'x' no. of weeks passed by, her savings would be,
Total savings(y) = Initial Savings + Added Savings
y = 20$ + 7
y = (7x + 20)$
This is an equation of a straight line.
We know that,
For a line in the Slope Intercept form(y = mx + c)
The slope is m and the y-Intercept is c.
Therefore here,for the y = 7x +20 equation,
Slope = 7 = Change in Added Savings per week.
Y-Intercept = 20 = Initial Savings.