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Finding Slope Examples
00:51

Finding Slope Examples

Two example of finding slope using a line offer practice of this skill.
Subject: slope
Transcript: NARRATOR: LET'S FIND THE SLOPE OF THIS LINE. WE'LL USE THESE TWO POINTS. WE'LL START AT THE Y-INTERCEPT AND MOVE TO THE RIGHT 6 UNITS. THE

Finding Slope from Equations
00:45

Finding Slope from Equations

Using an equation to find slope.
Subject: slope
Transcript: NARRATOR: WE'VE SEEN TWO DIFFERENT WAYS OF FINDING SLOPE, FROM LINES AND FROM ORDERED PAIRS. BUT REMEMBER, THE LINES AND ORDERED PAIRS ARE JUST

Finding Slope from Two Ordered Pairs
00:30

Finding Slope from Two Ordered Pairs

Finding slope without a graph.
Subject: slope
Transcript: NARRATOR: WE CAN FIND SLOPE WITHOUT EVER SEEING A LINE. ALL WE NEED ARE TWO ORDERED PAIRS. P SUB 1, P SUB 2. USE THE COORDINATES IN THE FORMULA. 4

Practical Problem in Standard and Slope-intercept Form
03:53

Practical Problem in Standard and Slope-intercept Form

Looking at a practical problem from the perspective offered by a slope-intercept solution and from that offered by a standard form equation solution.
Subject: slope-intercept form
Transcript: NARRATOR: WE'VE SEEN SOME PRACTICAL PROBLEMS THAT CAN BE SOLVED BY USING EQUATIONS IN SLOPE INTERCEPT FORM. THE SLOPE, OR RATE, WAS ALWAYS GIVEN IN

Practical Problem: The Height of a Stack of Newspapers
03:19

Practical Problem: The Height of a Stack of Newspapers

Using the slope-intercept form of equation, a practical problem involving the rate of growth of a stack of newspapers is calculated.
Subject: slope
Transcript: VARIABLES THAT DESCRIBES THE HEIGHT OF THE STACK FOR ANY NUMBER OF DAYS. X IS DAYS, Y IS INCHES. IN THIS PROBLEM, WE DON'T KNOW THE SLOPE. THAT'S THE NUMBER

Practical Problem: Predicting the Costs for a Business
03:48

Practical Problem: Predicting the Costs for a Business

Using a linear equation to calculate the cost of building thirty tables to sell.
Subject: slope
Transcript: 'S ONE POINT. 15 COST $488. THAT'S ANOTHER POINT. WE'LL USE THE ORDERED PAIRS TO FIND THE SLOPE. 488 MINUS 168 OVER 15 MINUS 5. SUBTRACT. REDUCE. THE SLOPE

Applying the Slope Formula to a Graph
01:23

Applying the Slope Formula to a Graph

Using the slope formula to plot a graph.
Subject: slope formula
Transcript: NARRATOR: IT'S DIFFICULT TO COUNT VERTICAL AND HORIZONTAL CHANGE ACCURATELY. WE'RE BETTER OFF USING THE ORDERED PAIRS AND THE SLOPE FORMULA. WE

Practical Problem: Predicting the Earnings for a Business
03:46

Practical Problem: Predicting the Earnings for a Business

Using a linear equation to project earnings for a business.
Subject: slope
Transcript: 'LL USE THE ORDERED PAIRS TO FIND THE SLOPE. SAM LOST 500 RENTALS WHEN HE RAISED THE PRICE BY $1. THE SLOPE IS NEGATIVE 500. THE TOTAL RENTALS, Y, EQUALS

Horizontal and Vertical Lines in Slope-intercept Form
01:08

Horizontal and Vertical Lines in Slope-intercept Form

Writing horizontal and vertical line equations in slope-intercept form.
Subject: slope
Transcript: NARRATOR: WHAT ABOUT THIS EQUATION, Y EQUALS 3? WHERE'S THE X? THERE ISN'T ANY. THE COEFFICIENT OF X MUST BE 0. SO THE SLOPE OF THE LINE IS ALSO 0

Equations Where Slope is the Same But y-intercept is Not
02:17

Equations Where Slope is the Same But y-intercept is Not

Comparing two equations with the same slope but different y-intercepts.
Subject: slope-intercept form
Transcript: 'S CHANGE IT TO SLOPE INTERCEPT FORM SO WE CAN COMPARE THE TWO. SUBTRACT 2X. DIVIDE BY NEGATIVE 3. THE TWO EQUATIONS HAVE THE SAME SLOPE, BUT DIFFERENT Y