3A - Identifying Key Features of Lines

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

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

• y-intercept
• macaroni
• nothing
• slope

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• x

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)
• Ax + By = C
• y = mx + b

What type of slope?

• undefined
• positive slope
• negative slope
• zero slope

Tags

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

• (-4, 3)
• (3, -4)
• (-3, -4)
• (-4, -3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

For the equation
y + 1 = -3(x - 5),
the line contains the point (5, -1) and has a slope of?

• -1
• 1
• -3
• 5

Tags

CCSS.HSS.ID.C.7

Write the equation in point-slope form of the line that passes through the given point and has the given slope:
 (-2, -1); m= -3

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5