No.113 Dividing Monomials
POINT
Write division of algebraic expressions as a fraction, then cancel both numbers and variables.
Simplify the following expressions.
Example
\(-8xy^2\div4y\)
\(\left(-\frac23a^2b\right)\div\frac16ab\)
① \(-2xy\)
② \(-4a\)
② \(-4a\)
Try it yourself.
Simplify the following expressions.
PRACTICE 01
\(12x^2y\div3xy\)
\(4x\)
PRACTICE 02
\(-15ab^2\div5b\)
\(-3ab\)
PRACTICE 03
\(-18a^2b\div6ab\)
\(-3a\)
PRACTICE 04
\(20x^3y^2\div(-5xy)\)
\(-4x^2y\)
PRACTICE 05
\(\frac34m^2n\div\left(-\frac38mn\right)\)
\(-2m\)
PRACTICE 06
\(-\frac56a^3b^2\div\frac5{12}ab\)
\(-2a^2b\)