Everything Solving - STAAR Practice

If x and y are in direct proportion and y is 60 when x is 15, find y when x is 9.​

y = (a)  

• 36
• 4
• 0.25

If x and y are in direct proportion and y is 12 when x is 6, find y when x is 14.

y = ​ (a)  

• 28
• 2
• 0.5
• 7

If x and y are in direct proportion and y is 104 when x is 13, find y when x is 8.

y = ​ (a)  

• 64
• 8
• 1

If x and y vary directly and y is 52 when x is -13, find y when x is -14.

y = ​ (a)  

• 56
• -56
• 0.25
• -0.25
• 4
• -4
• 3.5
• -3.5

If x and y are in direct proportion and y is -91 when x is 13, find y when x is 9.

y = ​ (a)  

• -63
• 63
• 9/7
• -9/7

Frank practives the piano 560 minutes in 4 weeks. Assuming he practices the same amount every week, what is the constant of variation for this situation?

Tags

CCSS.HSF-LE.A.1B

A company orders 25 boxed lunches from a deli for $226.25. If each boxed lunch costs the same amount, what is the constant of variation for this situation?

Tags

CCSS.HSF-LE.A.1B

A 6-inch candle burns down in 4 hours. Assuming the candels are the same thickness and make, what is the constant of variation for this situation?

Tags

CCSS.HSF-LE.A.1B

The number of miles driven by Mia varies directly with the number of gallons she used. What is the constant of variation for this situation?

Tags

CCSS.HSF-LE.A.1B

Mario buys 14 bottles of grapefruit juice at the corner store for a total cost of $6.16. If each bottle costs the same amount, what is the constant of variation for this situation?

Tags

CCSS.HSF-LE.A.1B