Finding Slopes from Two Lines

What is the relationship between the slopes of two perpendicular lines?

• The product of their slopes is -1.

• The sum of their slopes is 0.

• The slopes are equal to each other.

• The product of their slopes is 1.

Tags

CCSS.8.EE.B.6

What is the slope of a line that goes through the points (1, 2) and (3, 6)?

• 4

• 1

• 2

• 3

Tags

CCSS.8.EE.B.5

Explain how to determine if two lines are parallel using their slopes.

• Two lines are parallel if they intersect at a right angle.

• Two lines are parallel if their slopes are equal.

• Two lines are parallel if one slope is negative and the other is positive.

• Two lines are parallel if their slopes are different.

Tags

CCSS.8.EE.B.6

If a line has a slope of -4, what does that indicate about its direction?

• The line descends from left to right.

• The line is vertical.

• The line ascends from left to right.

• The line is horizontal.

Tags

CCSS.8.EE.B.5

How can you use similar triangles to find the slope of a line?

• The slope can be calculated using the area of the triangle formed by the line.

• The slope of a line can be found using the formula m = (y2 - y1) / (x2 - x1) based on the rise over run from similar triangles.

• You can find the slope by measuring the angles of the triangles.

• The slope is determined by the length of the hypotenuse of the triangle.

Tags

CCSS.8.EE.B.6

What does it mean for a relationship to be linear?

• A relationship is linear if it can be represented by a straight line, indicating a constant rate of change between the variables.

• A relationship is linear if it involves multiple variables changing at different rates.

• A relationship is linear if it shows no correlation between the variables.

• A relationship is linear if it can be represented by a curved line.

Tags

CCSS.8.F.A.3

What kind of slopes do perpendicular lines have?

• Reciprocal

• Opposite Reciprocal

• Same

• Opposite

Tags

CCSS.8.EE.B.6

Find the rate of change for the equation:
f(x)= 2x + 5 
from x₁= - 4 to x₂ = 5

• 12

• 2

• 18

• -18

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6