X(2a, 2b)
A(ab)
*
20
Y(0,0)
C(c,0)
Z(2c,0)
Statements
1. The slope of YO is and the slope of XZ is
2.
atc
3. The solution to the system of equation is
4. The midpoint of XZ is (a+c, b).
5. The midpoint of XZ is on the median YO
4
Reasons
definition of slope
slope-intercept form of a
line
substitution
definition of the midpoint
substitution

X2a 2bAab20Y00Cc0Z2c0Statements1 The slope of YO is and the slope of XZ is2atc3 The solution to the system of equation is4 The midpoint of XZ is ac b5 The midpo class=