Equations of Lines and Bisectors

Which is the equation of the line with slope 3 and y-intercept 5.

• y = 3x + 5
• y = 5x + 3
• y = 3/5x
• y = 5/3x

Tags

TEKS.MATH.8.5A

TEKS.MATH.8.5B

TEKS.MATH.8.5I

Write the equation of the line with slope 4 through the point (-2, 5).

• y = 4x - 13
• y = 4x + 13
• y = 4x - 3
• y = 4x + 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

Write the equation of the line through the points (7, 8) and (-12, -11).

• y = x + 1
• y = x + 15
• y = -x - 1
• y = -x - 23

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Which of the following lines is PARALLEL to the graph of y = -6x + 3 and goes through the point (-1,4)?

• y=1/6x +25/6

• y = 1/6x + 4

• y = -6x - 2

• y = -6x + 4

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

If two lines are parallel their slopes are  ____________

• the same.
• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.HSG.CO.A.1

Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12

• YES
• NO

Tags

CCSS.8.EE.B.6

Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12

• y = (-1/3)x - 1
• y = (1/3)x - 2
• y = -3x + 12
• y = 3x - 1

Tags

CCSS.HSG.GPE.B.5

Given you have two points and are asked to find the perpendicular bisector, what step should you do first?

• Skip the problem
• Find the distance between the two points
• Find the equation of the line
• Find the midpoint of the two given points

Tags

CCSS.HSG.CO.A.1

If you found the midpoint of line segment AB, what should you do next to find the equation of the perpendicular bisector?

• Use the midpoint and one of the points from AB to write the equation
• Use the midpoint and slope perpendicular to AB to write the equation
• Use the distance and midpoint to find the equation
• Skip it and hope it's not a test question

Tags

CCSS.HSG.CO.C.9