He should have written x= y2 + 12y .X must be less than or equal to zero. It should be x <0.
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Answer:
It is isosceles by the base angles theorem. It states that when the base angles are equal, the triangle is isosceles.
Step-by-step explanation:
unknown measure : 50°
(x,y) -> (-x, y) because the triangle was reflected over the y-axis
Answer:
1 Millimeter
Step-by-step explanation:
Answer:
-4/3
Step-by-step explanation:
Use the slope formula:

-4 - 12/ 13 - 1
-16/12
Simplifies to -4/3