School polo shirts come in small, medium, large and extra-large. they are available in 3 colors: red, blue, and green. what is t
he probability of choosing a large blue shirt?
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Hi there!
Linear equations are typically organized in slope-intercept form: where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)
Perpendicular lines always have slopes that are negative reciprocals, such as 2 and -1/2, 3/4 and -4/3.
<u>1) Determine the slope (</u><u><em>m</em></u><u>)</u>
Rewrite the given line:
Now, we can clearly identify the slope to be . Because perpendicular lines always have slopes that are negative reciprocals, the slope of the line we're currently solving for is therefore 2. Plug this into
:
<u>2) Determine the y-intercept (</u><em><u>b</u></em><u>)</u>
Plug in the given point (9,-7) and solve for <em>b</em>:
Therefore, the y-intercept is -25. Plug this back into :
I hope this helps!