Direct Variation Quiz

Which equation represents direct variation?

• y = 2x - 1

• y = x + 7

• y = 2x + 1

• y = -x

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is the constant of proportionality in direct variation?

• K

• X

• Y

• Jeff

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

In direct variation, the line must go through which point?

• (0, 0)

• (1, 1)

• (2, 2)

• (3, 3)

Tags

CCSS.8.EE.B.6

Which of the following does not show direct variation?

• y = 3x

• y = -2x

• y = 0

• y = x^2

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is the equation for direct variation?

• y = Kx

• y = x^2

• y = 2x - 1

• y = -x

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

What does the constant of proportionality represent in direct variation?

• The slope of the line

• The y-intercept of the line

• The x-intercept of the line

• The origin of the line

Tags

CCSS.HSS.ID.C.7

Which of the following equations shows direct variation?

• y = 2x + 3

• y = -3x

• y = x^2

• y = 4

What is the condition for direct variation?

• The line must go through the origin

• The line must have a positive slope

• The line must have a negative slope

• The line must be a straight line

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.2

Which equation does not represent direct variation?

• y = 5x

• y = -x

• y = 0

• y = 2x + 1

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is the constant of proportionality in the equation y = 0.5x?

• 0.5

• 1

• 2

• 0

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7