A review of shortcuts that can be used in solving equations.
Subject: shortcut
Transcript: NARRATOR: WE DISCOVERED A COUPLE OF WORTHWHILE SHORTCUTS. FIRST, ANY TERM CAN BE TRANSFERRED TO THE OTHER SIDE OF AN EQUATION BY CHANGING ITS SIGN
Any term in an equation can be transferred to the other side if you change the sign. An explanation of this shortcut for solving equations.
Subject: shortcut
Transcript: BLOCK, BUT IF YOU'RE LIKE MOST PEOPLE, YOU WILL PROBABLY TAKE THE SHORTER PATH. THERE ARE SHORTCUTS IN ALGEBRA TOO. LOOK AT THIS EQUATION. WE GET RID OF
A specific formula is developed to solve a practical problem of converting scale length to real length in a scale drawing.
Subject: shortcut
Transcript: LET'S SEE HOW WE CAN TAKE SOME SHORTCUTS IN SOLVING PROPORTION PROBLEMS. SUPPOSE YOU'RE LOOKING AT THE SCALE DRAWING OF A BUILDING. 2 FEET OF REAL