Linear Functions and Slopes

The following represents slopes of two lines.  Which answer choice describes the two lines?
m = -1/3 and m = -1/3

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.5

Write an equation that is parallel to the line
y = x - 5 through (1, -2)

• y = -3x +1

• y = x - 3

• y = x + 1

• y = 3x +1 

Write an equation of a line perpendicular to
y = 2x + 3 through (-2, 4)

• y = -3/2x + 3

• y = 3/2x + 3

• y = -1/2x + 3

• y = 3x - 3/2

How much does it cost to have your lawn mowed for 2 hours?

• $16

• $17

• $18

• $19

Tags

CCSS.HSF.LE.B.5

Which function is linear?

• y = 2x + 4

• y = 2x² + 4

• y = 2x(4 − 3x)

• xy = 15

Tags

CCSS.8.F.A.3

Check the correct answers: In order to be a linear function:

• It's graph must have a straight line

• It must pass a polygraph test

• Each x-value has only one y-value

• A parabola is a Linear Function

Tags

CCSS.8.F.A.3

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Sonia has $40 in her lunch account and pays $2 each day to eat lunch.

• Linear

• Non-linear

Tags

CCSS.8.F.A.3

Is the function Linear or Nonlinear?

• Linear

• Nonlinear

Tags

CCSS.8.F.A.3

Which statements below determine when a function is linear? Select two answers

• The function can be represented by an equation of the form y = mx + b.

• The rate of change is always constant.

• The initial value must be at 0

• The graph of the function could be a vertical line.

• The graph can contain curves.

Tags

CCSS.HSF-LE.A.1B