Finding Slope from Graphs

The video tutorial introduces the concept of slope, explaining it through real-life examples like ramps and roads. It then delves into the mathematical definition of slope, describing the four types: positive, negative, zero, and undefined. The tutorial provides a step-by-step guide on calculating slope using a coordinate plane, emphasizing the importance of choosing integer points for simplicity. Several examples are given to demonstrate the calculation and simplification of slope, reinforcing the understanding of different slope types.

What is slope in the context of land?

• A vertical drop

• A flat surface

• Land that is either slanted up or down

• A horizontal line

Tags

TEKS.MATH.8.4B

Which of the following is an example of a slope in real life?

• A wheelchair ramp

• A flat table

• A vertical wall

• A ceiling

Tags

TEKS.MATH.8.4B

What type of slope is it when a line goes up from left to right?

• Undefined slope

• Zero slope

• Positive slope

• Negative slope

Tags

TEKS.MATH.8.4B

What do we call a slope that goes down from left to right?

• Positive slope

• Zero slope

• Undefined slope

• Negative slope

Tags

TEKS.MATH.8.4B

What is the slope of a flat horizontal line?

• Zero slope

• Undefined slope

• Positive slope

• Negative slope

Tags

TEKS.MATH.8.4B

What is the first step in finding the numerical value of a slope on a coordinate plane?

• Count the boxes horizontally first

• Look for points with fractions

• Choose any two points on the line

• Ignore the y-axis

Tags

TEKS.MATH.8.4B

When calculating slope, what do you do after determining the change in altitude?

• Count the boxes to the left

• Ignore the x-axis

• Multiply the changes

• Count the boxes to the right

Tags

TEKS.MATH.8.4B

If a line goes down two units and over six units, what is the slope?

• Negative 2/6

• 1/3

• 2/6

• Negative 1/3

Tags

TEKS.MATH.8.4B

What is the slope of a line that does not go up or down?

• Undefined slope

• Negative slope

• Zero slope

• Positive slope

Tags

TEKS.MATH.8.4B

Why is a vertical line's slope considered undefined?

• Because it is a flat line

• Because it has no vertical change

• Because it has no horizontal change

• Because it goes up infinitely

Tags

TEKS.MATH.8.4B