Answer:
10
Step-by-step explanation:
Slope (m) of two points is expressed as :
m = (y2 - y1) / (x2 - x1)
Given m = 2
the equation becomes;
2 = (r - 2) / (10 - 6)
2 = (r - 2) / 4
cross multiplying becomes ;
2 * 4 = r - 2
8 = r - 2
r = 10
Answer:
Step-by-step explanation:
DISTANCE FORMULA
D=(SQRT(X2-X1)^2+(Y2-Y1)^2)
SQRT(1-(-1))^2+(3-(-1)^2)
SQRT((2)^2+(4)^2)
SQRT(4+16)
SQRT(20)
2SQRT(5)
<span><span>x3</span>+3<span>x2</span>−9x−27=<span>(x−3)</span><span>(x+3)</span><span>(x+3<span>)</span></span></span>
