Algebra Modeling Linear Functions Review

Is the equation linear, exponential, or quadratic?

• Linear

• Exponential

• Quadratic

• None of the above

Which Table best represents a linear relationship?

• 
• 
• 
• 

Tags

CCSS.8.F.A.3

Which statements describe the graph shown? Check all that apply.

• The function is linear.

• The function is quadratic.

• The height increases at a constant rate of change

• The ratio of height and number of weeks is constant.

• There is no relationship between height and number of weeks.

Tags

CCSS.8.F.A.3

Which statement is True about the table?

• The y-intercept of the function is (15, 75).

• The rate of change is 15 calories burned per minute.

• A linear function to model the calories burned, y , as a function of the time in minutes, x , is y = 5x.

• An exponential function to model the calories burned, y , as a function of the time in minutes, x , is y = 5x.

Tags

CCSS.HSF-LE.A.1B

What is the y-intercept of the equation:
 y = 2x - 3 

• -2

• 2

• 3

• -3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Identify the slope and y-intercept of:
y = 1/5x + 5

• slope: 1/6   y-intercept:  4 

• slope: 1/5   y-intercept:  5 

• slope: 5/1   y-intercept:  5 

• slope: 1   y-intercept:  5 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the x and y intercepts
4x - 5y = 40

• x intercept is 10 
  y intercept is 8

• x intercept is 10
  y intercept is 20

• x intercept is 8
  y intercept is 10

• x intercept is 10
  y intercept is -8

The slopes of parallel lines are...

• the same

• opposite

• always different

Tags

CCSS.8.EE.B.6

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

Tags

CCSS.8.EE.B.5