Big Ideas Green 7.4

The equation y=0.25x shows how the number of texts sent is related to the total amount spent on text messaging.

Which variable is the dependent variable?

• x is the dependent variable

• y is the dependent variable

Tags

CCSS.6.EE.C.9

Is the ordered pair a solution?

y=x; (2,3)

• Yes

• No

Is the ordered pair a solution of the equation?

y = 3x -2; (1,1)

• Yes

• No

Is the ordered pair a solution of the equation?

y = 8x; (0,0)

• Yes

• No

Is the ordered pair a solution of the equation?

y = 4x +1 ; (1, 5)

• Yes

• No

Identify the INDEPENDENT Variable.

The equation k=88p gives the total number of keys k for p pianos.

• p piano is the independent variable

• k keys is the independent variable

Tags

CCSS.6.EE.C.9

Identify the variables:

The equation A=32L gives the area A in square feet of a rectangular concession stand with a lenght of L feet.

• Independent: L

  Dependent: A

• Independent: A

  Dependent: L

Tags

CCSS.6.EE.C.9

Identify the variables:

The equation C=15p +100 gives the total cost C in dollars of the annual banquet with p people in attendance.

• Independent: C

  Dependent: p

• Independent: p

  Dependent: C

Tags

CCSS.6.EE.C.9

Tell whether the ordered pair is a solution of the equation.

y=6x; (3, 24)

• Yes

• No

Tell whether the ordered pair is a solution of the equation.

y=3x +4; (4, 16)

• Yes

• No