Graphing Equations Quick Check

3 of 53 of 5 Items

Question
Use the table to answer the question.

x y
−2 −1
0 1
2 3
Write an equation that represents this nonproportional linear relationship.

(1 point)
Responses

y=−2x+1
y equals negative 2 x plus 1

y=12x+1
y equals Start Fraction 1 over 2 End Fraction x plus 1

y=x+1
y equals x plus 1

y=x+2

y=x+1

y equals x plus 1

A family is going from Dallas, Texas, to Los Angeles, California. They have traveled 500 miles so far. The next day, their average speed is 70 miles per hour. Write an equation for the distance they traveled, y, and the hours they have driven, x. Indicate whether this is a proportional or a nonproportional situation.(1 point)

Responses

y=500x+70, nonproportional
y equals 500 x plus 70 , nonproportional

y=70x+500, proportional
y equals 70 x plus 500 , proportional

y=70x+500, nonproportional
y equals 70 x plus 500 , nonproportional

y=70x, proportional
y equals 70 x , proportional

y=500+70x, nonproportional

y equals 500 plus 70 x, nonproportional

You are baking a cake. For every three cups of flour, you need to add two eggs. Write an equation for the relationship between the number of eggs, y , and the amount of flour, x . Distinguish whether this is a proportional or nonproportional situation.(1 point)

Responses

y=32x, proportional
y equals Start Fraction 3 over 2 End Fraction x , proportional

y=23x, proportional
y equals Start Fraction 2 over 3 End Fraction x , proportional

y=2x+3, nonproportional
y equals 2 x plus 3 , nonproportional

y=3x+2, nonproportional

y=23x, proportional

y equals Start Fraction 2 over 3 End Fraction x , proportional