Answer C
Step-by-step explanation:
Answer:
Y=-4x+90
Step-by-step explanation:
Slope Intersect Form → Y=mx+b
M= (y2-y1)/(x2-x1)
Find two point of the graph, I choose (0,90) and (10,50)
Plug in back the formula,
(90-50)/(0-10)
=40/-10
=-4
To find B (Y intercept), it is where the graph intersect the y axis
In this case, it is 90.
Thus, Y=-4x+90
Since the product of AB and BC is -1, hence the ABC is a right triangle and the length AC is the hypotenuse
<h3>Right angled triangle</h3>
A right angles triangle is a triangle that has 3 sides and angles with one of its angles to be 90 degrees.
For the given coordinates to be a right angled triangle, one of the line must be perpendicular to the other and for two lines to be perpendicular, the product of its slope must be -1.
Find the slopes of AB, BC and AC
Slope of AB = 5-11/1-6
Slope of AB = -6/-5 = 6/5
Slope of BC = 0-5/7-1
Slope of BC = -5/6
Slope of AC = 0-11/7-6
Slope of AC = -11/1. = -11
Take the product of AB and BC
AB * BC = 6/5 * -5/6
AB * BC = -1
Since the product of AB and BC is -1, hence the ABC is a right triangle and the length AC is the hypotenuse
Learn more on right angle triangle here: brainly.com/question/22790996
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