Entry Exam Category: College Admission Exams
Course: Texas Success Initiative Assessment 2.0
Exam: TSIA2 Math Practice Test
Practice Question
In triangle ABC above, AC ||DE. If AD = 2x - 1 and AC = 3x - 1 , what is the value of x ?
Answer Choices
- A: 3
- B: 4
- C: 5
- D: 6
Correct Answer: A
Rationale: Triangles BDE and BAC are similar. Set up the proportion 5/(2x+4) = 4/(3x−1). Cross-multiply and solve: 15x−5 = 8x+16 → x = 3.