Answer:
x = 5
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 9² = 16²
x² + 81 = 256 ( subtract 81 from both sides )
x² = 175 ( take the square root of both sides )
x = 
= 5 ≈ 13.23 units ( to 2 dec. places )
Answer:
Option D : Undefined
Step-by-step explanation:
Given points (-5,8) and (-5,3) lies on a line.
Slope of a line is given by:
m = 
Anything divided by zero is undefined.
Therefore,
Option D is the correct answer.
Good for Keira. Is there a question that goes along with this?
