NAI Saturday Academy Week 5

On a graph, how would you describe the direction of a negative slope?

• Line Increases, points upwards from left to right.

• Line decreases, points down from left to right.

• Line decreases, points down from right to left.

• Line increases, points upwards from right to left.

Tags

CCSS.8.EE.B.5

On a graph, how would you describe the direction of a positive slope?

• Line increases, points upwards from left to right.

• Line increases, points upwards in a vertical line.

• Line increases, points upwards from left to right

• Line decreases, points downward from left to right.

Tags

CCSS.8.EE.B.5

How can you tell if a slope is parallel?

• The slopes of parallel lines are NOT equal.

• The slopes of parallel lines are opposite reciprocals.

• The slopes of parallel lines are reciprocals (negative or positive).

• The slopes of parallel lines are equal.

Tags

CCSS.8.EE.B.5

How can you tell if a slope is perpendicular?

• The slopes of perpendicular lines are opposite reciprocals.

• The slopes of perpendicular lines are equal.

• The slopes of perpendicular lines are not equal.

• The slopes of perpendicular lines are always 1.

Tags

CCSS.8.EE.B.6

What is Slope-Intercept Form?

• x= my + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Give the y-intercept of 5x + y = 3

• 1

• 3

• 0

• -1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

From the equation y = 3x + 18,  what is the value of the x-intercept?

• -6
• 6
• 18
• 3

What is the x-intercept shown on the graph?

• (2, 0)
• (-2, 0)
• (0, 3)
• (3, 0)

What does 'b" represent in y=mx=b

• y-intercept
• x-intercept

• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3