Direct variations

In this type of variation, both x and y are either increasing or both are decreasing

• indirect

• direct

• neither

Tags

CCSS.HSF-LE.A.1B

State what type of variation the equation represents.

• Direct

• Inverse

• Joint

• None

Which of the following represents direct variation?

• y = kx
• y = k/x
• y = x/k
• y = mx + b

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

If m varies directly as p, and m = 35 when p = 5, find m when p is 6.

• 42

• 36

• 25

• 49

Write an equation

The distance D travelled by a car is directly proportional to its speed s.

• S=kd

• D=k/s

• D=ks

• K=Ds

Tags

CCSS.6.EE.C.9

What is the constant in the equation y=5x?

• 5

• 4

• 3

• 2

Tags

CCSS.HSF-LE.A.1B

if y varies directly as x, and y=30 and x=5. What is the constant of the variation?

• 3

• 6

• 9

• 12

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

In the equation y=kx, k is called the ______.

• Independent Variable

• Dependent Variable

• Constant of Variation

• Direct Variation