Mathematics Grade 9 15 min

Write and solve inverse variation equations

Write and solve inverse variation equations

What you'll learn

  • Identify the value of a penny, nickel, dime, and quarter with 100% accuracy.
  • Count a collection of coins (pennies, nickels, and dimes, totaling less than $1.00) and state the total amount with 80% accuracy.
  • Solve word problems involving adding the value of two types of coins (e.g., 2 dimes and 3 pennies) to find the total value with 75% accuracy.
  • Explain how to count coins in order from greatest to least value.

Tutorial Preview

1

y varies inversely with x. If y = 4 when x = 3, write the equation.

2

y varies inversely with x. If y = 10 when x = 2, find y when x = 5.

3

y varies inversely with x. If y = 6 when x = 4, find x when y = 8.

Sample Practice Questions

Easy
y varies inversely with x. If y = 2 when x = 5, what is the equation?
0.y = 10/x
1.y = 2.5/x
2.y = 7/x
3.y = x/10
Easy
y varies inversely with x. If y = 3 when x = 4, what is the equation?
0.y = 12/x
1.y = 7/x
2.y = 1.33/x
3.y = x/12
Easy
y varies inversely with x. If y = 6 when x = 2, find y when x = 4.
0.12
1.8
2.3
3.4

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Frequently asked questions

What grade level is "Write and solve inverse variation equations"?

Write and solve inverse variation equations is a Grade 9 Mathematics lesson on ExcelOS.

What will I learn in Write and solve inverse variation equations?

You'll be able to: Identify the value of a penny, nickel, dime, and quarter with 100% accuracy; Count a collection of coins (pennies, nickels, and dimes, totaling less than $1.00) and state the total amount with 80% accuracy; Solve word problems….

Is "Write and solve inverse variation equations" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Write and solve inverse variation equations?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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