Linear Equations and Slope

What is the formula to find the slope of a line from a graph?

• (x1 - x2)/(y1 - y2)

• (x2 - x1)/(y2 - y1)

• (y2 - y1)/(x2 - x1)

• (y1 - y2)/(x1 - x2)

Tags

CCSS.8.EE.B.5

If two points on a line are (2, 4) and (6, 10), what is the slope of the line?

• 3/2

• 4/5

• 1/2

• 2/3

Tags

CCSS.8.EE.B.5

Write the equation of the line with a slope of 3 and a y-intercept of -2 in slope-intercept form.

• y = 3x + 2

• y = 3x - 2

• y = -3x - 2

• y = 2x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept of the line with the equation y = 2x + 5?

• -5

• 0

• 5

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of a horizontal line?

• 1

• 0

• undefined

• infinity

Tags

CCSS.8.EE.B.5

If two points on a line are (-3, 7) and (5, 7), what is the slope of the line?

• -7

• 7

• 0

• 1

Tags

CCSS.8.EE.B.5

Write the equation of the line with a slope of -2/3 and a y-intercept of 4 in slope-intercept form.

• y = (-2/3)x - 4

• y = (2/3)x + 4

• y = (-2/3)x - 2

• y = (-2/3)x + 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept of the line with the equation y = -4x + 2?

• 2

• -4

• 6

• 0

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of a vertical line?

• undefined

• negative

• positive

• zero

Tags

CCSS.8.EE.B.5

If two points on a line are (1, -2) and (1, 4), what is the slope of the line?

• 1

• undefined

• 2

• 0

Tags

CCSS.8.EE.B.5