9x^2-10x=0
D= b^2-4ac
b=-10
a=9
c=0
D=(-10)^2-4*9*0=10^2-0=100
The correct answer should be the third option. YOU'RE WELCOME :D
Answer:
Step-by-step explanation:
Let the unknown angle be x
As the interior angles in a triangle are added up to 180°
Hope this helps you.
Let me know if you have any other questions:-)
Use the slope formula to find the slope of a line given the coordinates of two points on the line. The slope formula is m=(y2-y1)/(x2-x1), or the change in the y values over the change in the x values.