Exploring Point Slope Form with Two Points

What is the main goal when writing linear equations given two points?

• To find the midpoint of the line

• To find the slope-intercept form

• To find the distance between the points

• To find the area under the line

Which formula is used to find the slope (M) between two points?

• Distance formula

• Quadratic formula

• Midpoint formula

• Slope formula

Tags

CCSS.8.EE.B.5

What is the slope formula?

• (X1 + X2) / (Y1 + Y2)

• (Y2 - Y1) / (X2 - X1)

• (X2 - X1) / (Y2 - Y1)

• (Y1 + Y2) / (X1 + X2)

Tags

CCSS.8.EE.B.5

What is the next step after finding the slope (M) in the process of writing a linear equation?

• Finding the midpoint

• Finding the y-intercept

• Using the point-slope formula

• Calculating the distance

What is the point-slope formula?

• y = Mx + b

• y - y1 = M(x - x1)

• y = Mx - b

• y = x + b

In the example problem, what is the slope (M) value found?

• 1

• -1

• -2

• 2

Tags

CCSS.8.EE.B.5

What is the final linear equation derived in the example problem?

• y = 2x - 1

• y = -2x - 1

• y = -2x + 1

• y = 2x + 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In the second practice problem, what is the slope (M) value found?

• -3

• -1/3

• 3

• 1/3

Tags

CCSS.8.EE.B.5

What is the final linear equation derived in the second practice problem?

• y = -1/3x + 5

• y = -1/3x - 5

• y = 1/3x - 5

• y = 1/3x + 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In the fourth practice problem, what is the slope (M) value found?

• 1

• -1

• -2

• 2

Tags

CCSS.8.EE.B.5