A1 Math gr8 20-21 Form CNG Online 5 of 8Item s

Question 1
In the coordinate plane below, triangle $DEF$ is similar to triangle $HIJ$ .

From top to bottom and left to right, the graph reads, line s, D, 8, 32, F, 8, 24, E, 12, 24, H, J, I.

Part A
What is the slope of HI Justify your answer.

Respond in the space provided.

The slope for HI is
Question 2
Part B
Write an equation that represents line s . Show or explain how you determined the equation.

Respond in the space provided.

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno step statement reason 1 ∠oln ≅ ∠lno given 2 draw oe as a perpendicular bisector to ln by construction 3 ∠leo ≅ ∠neo transitive property of equality 4 m∠leo = 90° definition of a perpendicular bisector 5 m∠neo = 90° definition of a perpendicular bisector 6 le ≅ en definition of a perpendicular bisector 7 δole ≅ δone side-angle-side (sas) postulate 8 ol ≅ on cpctc nina made two errors in the proof. identify and correct the errors.