Math Problem Statement

Complete the table if y = 2x. Put your answer in the order it would be on the table, not necessarily from least to greatest. Given values for y are -2, 0, 2, and 4.

Solution

To complete the table for y=2xy = 2x, we need to find the values of xx that correspond to each given yy value.

  1. The equation provided is: y=2xy = 2x

  2. Solving for xx in terms of yy: x=y2x = \frac{y}{2}

Now, let's calculate xx for each yy value:

  • For y=2y = -2: x=22=1x = \frac{-2}{2} = -1

  • For y=0y = 0: x=02=0x = \frac{0}{2} = 0

  • For y=2y = 2: x=22=1x = \frac{2}{2} = 1

  • For y=4y = 4: x=42=2x = \frac{4}{2} = 2

Completed Table:

xxyy
-1-2
00
12
24

If you have any more questions or need further explanation, feel free to ask!


Here are five related questions to deepen your understanding:

  1. How would the table change if the equation were y=3xy = 3x instead?
  2. What happens to the values of xx if the equation is modified to y=2xy = -2x?
  3. Can you derive an equation if given only pairs of xx and yy values?
  4. How would you graph these points and what type of line would you expect?
  5. If x=3x = 3, what would the corresponding yy value be for y=2xy = 2x?

Tip: To check if a point fits an equation, substitute its values into the equation and verify if it holds true.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Function Tables

Formulas

y = 2x
x = y / 2

Theorems

-

Suitable Grade Level

Grades 6-8