Slope, Slope Intercept, and Linear Equations

y = mx + b

Which variable represents slope?

• m

• x

• y

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

y = mx + b

Which variable represents the y-intercept?

• x

• y

• b

• m

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

A vertical line has what kind of slope?

• 0

• Negative

• Positive

• Undefined

Tags

CCSS.8.EE.B.5

Which equation would you use to calculate the slope of a line?

• y1 - y2

  x1 - x2

• x1-x2

  y1 - y2

Tags

CCSS.8.EE.B.5

What can you say about the line represented by the equation x = -5

• The line is vertical

• The line is horizontal

What can you say about the line represented by the equation y = 5?

• The line is vertical

• The line is horizontal

Which of the following equations represents a line with a slope of 4 and a y-intercept of 3?

• y = 3x + 4

• y = 4x - 3

• y = 4x + 3

• y = -4x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of a line with a slope of -6 and a y-intercept of 3?

• y = 6x + 3

• y = -6x - 3

• y = -6x + 3

• y = -6x - 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope and y-intercept of the line represented by the equation y = -x + 8?

• The slope is -1, and the y-intercept is 8.

• The slope is 8, and the y-intercept is -1.

• The slope is -8, and the y-intercept is 1.

• The slope is 1, and the y-intercept is -8.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of the line through (-3, 6) and (15, 5) ?

• 1

• -18

• 1/18

• 18

Tags

CCSS.8.EE.B.5