Answers to Quiz #17 (Triads and Roman Numerals)

 1. Indicate what quality of triad (major minor, diminished, augmented) is being described in each of the following:

a) A triad with a major third on the bottom, and an augmented fifth as an outer interval: augmented

b) A triad built on the sixth note of a major scale: minor

c) A triad with an outer interval of a perfect fifth, and a minor third on the bottom: minor

d) A mediant triad in a major key: minor

e) a triad built on the fourth note of a major scale: major

f) a triad with a diminished fifth as an outer interval, and a minor third on the bottom: diminished

g) A leading-tone triad in a major key: diminished

 

2. Determine if the following intervals are major (+), minor (-), diminished (o) or augmented (x). Place the appropriate symbol underneath each triad:

3. Write the following triads in the clef indicated. Use the correct key signature, and put the correct roman numeral underneath. (If the triad is diminished, place a small "o" after the number; if it is augmented, place a "+" after):

4. Here are some triads, with the key indicated. Put the correct roman numeral under each triad:

5. Write the triads requested. Use the proper key signature: