Direct Variation Quiz

How can you graph direct variation equations?

• Plot the points and connect them with a straight line.

• Plot the points and connect them with a zigzag line.

• Graph the points and connect them with a curved line.

• Use a scatter plot to connect the points.

Tags

CCSS.8.EE.B.5

What is the slope of a direct variation equation?

• Y-intercept

• Rate of change

• Constant of variation

• Exponent

Tags

CCSS.HSF-LE.A.1B

Graph the direct variation equation y = 2x.

• The graph of the direct variation equation y = 2x is a straight line passing through the origin (0,0) with a slope of 2.

• The graph of the direct variation equation y = 2x is a vertical line.

• The graph of the direct variation equation y = 2x is a horizontal line.

• The graph of the direct variation equation y = 2x is a parabola.

What is the constant of variation in a direct variation equation?

• m

• k

• y

• x

Which graph represents a direct variation?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

De'marion is driving to visit his cousin. After 4 hours of driving, he has traveled 240 miles. After driving for 5 hours at the same rate, he traveled 300 miles.

Which equation represents this situation?

• y = 60x

• y = 40x

• y = 60/x

• y = 50x

Tags

CCSS.8.EE.C.7B

What is the equation of a direct variation?

• y = mx + b

• Ax + By = C

• y = kx

• y = kx + b