G9 Final: Slope and Data Analysis Challenge

What is the slope of the line represented by the equation y = 3x + 2?

• 1

• 3

• 0

• -3

Tags

CCSS.8.EE.B.5

What is the y-intercept of the line given by the equation y = -4x + 5?

• 0

• -4

• 5

• 5.5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equation represents a line with a slope of 2 and a y-intercept of -3?

• y = -2x - 3

• y = 2x + 3

• y = -2x + 3

• y = 2x - 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If a line has a slope of 5 and passes through the point (2, 3), what is the equation of the line?

• y = 5x - 7

• y = 5x - 3

• y = 3x + 5

• y = 5x + 1

Given the points (1, 2) and (3, 6), what is the slope of the line connecting them?

• 3

• 4

• 1

• 2

Tags

CCSS.8.EE.B.5

What is the equation of the line that passes through the points (0, 4) and (2, 8)?

• y = 4x + 2

• y = x + 4

• y = 2x - 4

• y = 2x + 4

Which of the following lines is parallel to the line y = 2x + 1?

• y = 2x - 4

• y = -2x + 1

• y = 3x + 1

• y = 2x + 3

If two lines have slopes of 3 and -1/3, what can be said about their relationship?

• The lines are perpendicular.

• The lines are coincident.

• The lines are parallel.

• The lines intersect at a 45-degree angle.

Tags

CCSS.8.EE.B.6

What is the equation of a line that is perpendicular to y = 4x - 2 and passes through the point (1, 1)?

• y = -2x + 3

• y = 1/4x - 1

• y = -1/4x + 5/4

• y = 4x + 1

In a scatter plot, what does a positive correlation indicate about the data?

• A positive correlation indicates no relationship between the variables.

• A positive correlation indicates that as one variable increases, the other variable also increases.

• A positive correlation shows that both variables remain constant over time.

• A positive correlation means one variable decreases while the other increases.

Tags

CCSS.HSS.ID.B.5