Mathematics Grade 7 15 min

Write a two-variable equation

Write a two-variable equation

What you'll learn

  • Identify the independent and dependent variables in a real-world scenario with at least 80% accuracy.
  • Translate a word problem into a two-variable equation using appropriate mathematical symbols and variables in at least 3 out of 4 attempts.
  • Explain, in writing, the relationship between the two variables in a given equation with sufficient detail to demonstrate understanding of the equation's meaning.
  • Create a table of at least 5 ordered pairs that satisfy a given two-variable equation and accurately plot these pairs on a coordinate plane.

Tutorial Preview

1

Tickets to a concert cost $10 each. Write an equation for the total cost `y` for `x` tickets.

2

A bowling alley charges a $5 shoe rental fee and $4 per game. Write an equation for the total cost `y` for `x` games.

3

You have a $20 gift card. You buy a snack for $3 each day. Write an equation for the money left `y` after `x` days.

Sample Practice Questions

Easy
Apples cost $2 each. Write an equation for the total cost `c` of buying `a` apples.
0.c = 2a
1.c = a+2
2.a = 2c
3.c = 2-a
Easy
A carnival charges a $5 entry fee and $1 per ride. Write an equation for the total cost `y` for `x` rides.
0.y = 5x+1
1.y = x+5
2.x = y+5
3.y = 6x
Easy
A car service charges $3 per mile. Write an equation for the total cost `C` for a trip of `m` miles.
0.m = 3C
1.C = m+3
2.C = 3m
3.C = 3-m

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Frequently asked questions

What grade level is "Write a two-variable equation"?

Write a two-variable equation is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Write a two-variable equation?

You'll be able to: Identify the independent and dependent variables in a real-world scenario with at least 80% accuracy; Translate a word problem into a two-variable equation using appropriate mathematical symbols and variables in at least 3 out….

Is "Write a two-variable equation" 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 a two-variable equation?

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

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