All PSAT Math Resources
Example Questions
Example Question #12 : Rational Expressions
If √(ab) = 8, and a2 = b, what is a?
Possible Answers:
16
64
10
4
2
Correct answer:
4
Explanation:
If we plug in a2 for b in the radical expression, we get √(a3) = 8. This can be rewritten as a3/2 = 8. Thus, loga 8 = 3/2. Plugging in the answer choices gives 4 as the correct answer.
Example Question #1 : Rational Expressions
Possible Answers:
–37/15
9/5
37/15
–11/5
–9/5
Correct answer:
–11/5
Explanation:
All PSAT Math Resources
Popular Subjects
SSAT Tutors in Miami, LSAT Tutors in Phoenix, Chemistry Tutors in Atlanta, Reading Tutors in San Diego, Calculus Tutors in Phoenix, ACT Tutors in San Francisco-Bay Area, ISEE Tutors in New York City, French Tutors in Miami, ACT Tutors in Chicago, Algebra Tutors in Los Angeles
Popular Courses & Classes
ACT Courses & Classes in Los Angeles, GMAT Courses & Classes in San Francisco-Bay Area, SAT Courses & Classes in San Diego, LSAT Courses & Classes in San Francisco-Bay Area, SSAT Courses & Classes in Houston, GMAT Courses & Classes in New York City, GMAT Courses & Classes in Los Angeles, SSAT Courses & Classes in Chicago, MCAT Courses & Classes in Philadelphia, Spanish Courses & Classes in Philadelphia
Popular Test Prep
GMAT Test Prep in Los Angeles, SAT Test Prep in Chicago, SSAT Test Prep in Washington DC, GMAT Test Prep in Dallas Fort Worth, GRE Test Prep in San Francisco-Bay Area, MCAT Test Prep in New York City, MCAT Test Prep in Denver, SAT Test Prep in Miami, GMAT Test Prep in Boston, LSAT Test Prep in Los Angeles