Writing & Graphing Two-Variable Equations

Gourmet chocolate costs $5.25 per pound. Which equation best represents y, the total cost of x pounds of chocolate?

• x = 5.25y

• y = 5.25 + x

• y = 5.25x

• x = 5.25 +y

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

In the previous example, what is the INDEPENDENT variable?

• pounds of chocolate

• total cost

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Mrs. Khan makes cookies for the school bake sale. She uses the equation c = 0.75x to determine the cost, c for x cookies. which best represents the constant rate at which cookies are sold at the bake sale?

• 75 cookies per dollar

• $1.50 per cookie

• 1.5 cookies per dollar

• $0.75 per cookie

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The table shows the ounces of water,y, need to for x number of servings.

Based on the information in the table, which equation can be used to model the relationship between x and y?

• y = 2x

• y = x + 2

• y = 18x

• y = x + 18

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

The graph shows the amounts of money raised for scholarships over a four month period.

Based on the graph, what is the constant rate of earnings for scholarships? (How much was raised per month?)

• $500 per month

• $1,000 per month

• $2,000 per month

• $4,000 per month

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which of these equations represent the table above if the number of tickets represents x and the total cost represents y?

• y=2x
• y=54x
• y=27x
• y=x

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Greg gets paid $6 an hour working in a garden. Use the equation m=6h, where m is the money he makes, and h is the hours he works. How much money does he make if he works 9 hours?

• $15
• $3
• $54
• $53

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the algebraic equation for this table?

• y = x + 3
• y = 3x
• y = x ÷ 3
• y = x - 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Which equation represents the table of values?

• y = 400

• y = 400x

• y = x + 400

• y = 400x + 800

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Which equation matches the description if x is the number of minutes and y is the total cost.

• y = 1.20

• y= 1.20x

• x = 1.20

• x = 1.20y

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3