Exploring Point Slope Form Concepts

This video tutorial introduces the point slope form of linear equations, explaining its derivation and application. It demonstrates how to write equations using this form, find x and y intercepts, and graph lines. The tutorial includes examples and practice problems to reinforce understanding.

What is the main advantage of using the Point Slope Form over the Slope Intercept Form?

• It requires only one point and the slope.

• It does not require any points.

• It requires the y-intercept.

• It is easier to graph.

How do you find the slope if it is not given directly?

• By using the y-intercept.

• By using the formula (change in y) / (change in x).

• By using the x-intercept.

• By using the formula (change in x) / (change in y).

Tags

CCSS.8.EE.B.5

What is the Point Slope Form of a linear equation?

• y = m(x + x1)

• y = m(x - x1) + b

• y - y1 = m(x - x1)

• y = mx + b

In the equation y - y1 = m(x - x1), what do y1 and x1 represent?

• The slope and y-intercept.

• The y-intercept and x-intercept.

• A specific point on the line.

• The variables y and x.

How do you find the y-intercept from the Point Slope Form?

• Use the given point directly.

• Use the slope directly.

• Set x to zero and solve for y.

• Set y to zero and solve for x.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the x-intercept of the equation y + 2 = 1/2(x - 4)?

• (0, -2)

• (4, 0)

• (8, 0)

• (0, 4)

When graphing a line using the Point Slope Form, what is the first step?

• Plot the y-intercept.

• Plot the given point.

• Solve for x.

• Find the slope.

If given two points, how do you determine which one to use in the Point Slope Form?

• Use the point with the larger x value.

• Use the point closer to the origin.

• Use the point with the smaller y value.

• Either point can be used.

What is the slope of the line passing through the points (2, 1) and (-3, 3)?

• -4/5

• 4/5

• -2/3

• 2/3

Tags

CCSS.8.EE.B.5

How do you graph the line once you have the Point Slope Form equation?

• Plot any point and use the slope.

• Plot the x-intercept and use the slope.

• Plot the given point and use the slope.

• Plot the y-intercept and use the slope.