SAT MATH • ANSWER CHECK
Nonlinear Equations & Equivalent Expressions
Complete the practice first, then open each answer to check your work. These answers match the revised September 2026 worksheets.
For a wrong answer, identify the cause: concept, algebra, arithmetic, interpretation, calculator choice, or timing. Equivalent exact numerical forms are accepted for these practice exercises.
Question 1
Answer: 25
Question 2
Answer: 15
Question 3
Answer: 2
Question 4
Answer: 100
Question 5
Answer: -28
Question 6
Answer: D
D. 5
Question 7
Answer: B
B. 2x−7
Question 8
Answer: 3