Multiply a Binomial by a Monomial
A practical problem demonstrating multiplication of a binomial by a monomial.
Subject: subtract
Transcript: BINOMIAL IS A PACKAGE, SO WE MULTIPLY EACH TERM BY 2K AND COMBINE THE RESULTS. SINCE 16K CUBED AND 6K SQUARED ARE NOT LIKE TERMS, WE CAN'T DO ANY SUBTRACTING
Other Examples using Parentheses in Mathematics
Using parentheses to clarify an expression. Evaluating expressions containing parentheses within parentheses.
Subject: subtraction
Using Division to Change Terms
In addition to addition, subtraction, and multiplication, division can be used to change the numbers in a system.
Subject: subtract
Transcript: NARRATOR: SOLVING SYSTEMS BY ELIMINATION GIVES US LOTS OF CHOICES. WE CAN USE ADDITION OR SUBTRACTION. WE CAN USE MULTIPLICATION TO CHANGE THE TERMS
Using Parentheses in the Order of Operations
Parentheses indicate a package and are a tool for changing the order of operations.
Subject: subtraction
Word Problems Simplified by Using Algebra
How to translate word problems into algebraic equations.
Subject: subtraction
Transcript: NARRATOR: I'M THINKING OF A NUMBER. IF I DOUBLE IT AND ADD 6, I GET THE SAME ANSWER AS IF I MULTIPLIED IT BY 5 AND SUBTRACTED 3. WHAT IS THE NUMBER
Multiplicative Inverses
Every number has an additive inverse. The concept of inverses in algebra is explained and the use of additive inverses is demonstrated.
Subject: subtract
Transcript: YOU SUBTRACT 2 FROM 6, YOU'RE LEFT WITH 4. THERE'S ANOTHER WAY TO LOOK AT WHAT JUST HAPPENED. HERE'S ANOTHER CARTON WITH 6 MORE CANS OF ORANGE JUICE