The singular noun, quality, forms the plural by dropping the -y and adding -ies. The plural form is qualities.
the change in y over the change in x equals the slope(m) in the equation y=mx+b
=2-x+y
Add x and y then Divide by the postulate, subtract 7, add 13, then divide by 3.
change in y/ change in xORrise/run
y' = y, x' = -x.
b-en
Some words end in a consonant + y. To make them plural, change y to i and add es. Candy -> Candies
Change the y to an i and add -est. happy, happiest
For most nouns ending in "y," you change the "y" to "i" and add "es" to form the plural. For example, "city" becomes "cities" and "baby" becomes "babies."
You drop the y and add ies to get libraries. You can also say - change the y to an i and add es.
Typically, when a noun ends in a consonant plus "y," you change the "y" to "i" before adding "es" in plural form, when making it possessive, or when adding a suffix. For example, "cherry" becomes "cherries" in plural form, and "lady" becomes "ladies" in the same form.
Some examples are "fry" becomes "fries," "study" becomes "studies," and "cry" becomes "cries." These words follow the rule of changing the 'y' to 'i' and adding 'es' when making them plural or third person singular.
Mortifies doesn't have a Y because when a word that ends in a Y becomes plural you change the Y to an I and add ES.
Change the Y to I and add -es : the plural is poppies.
When forming the plural of words ending in "y," we change the "y" to "i" before adding "es" to maintain correct spelling and pronunciation. This rule helps to avoid creating awkward combinations of vowels in English words.
This is because of the letters that precede 'Y'. When the 'Y' follows a consonant, the 'Y' must be replaced with 'I' and "ES" is added. When the 'Y' follows a vowel, only an 'S' is needed.
Some examples of nouns ending in "y" that become plural by adding "s" are: babies, puppies, cities, and parties.