Find the Rate of Change in Linear Equation -8y+2x=6

For the following straight line equation, state what is the rate of change?

8y+2x=6 -8y+2x=6

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Step-by-step video solution

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00:00 Find the slope of the graph
00:05 Arrange the equation to match the linear equation
00:09 Isolate Y
00:29 Arrange the equation
00:33 Write the coefficient multiplier of X
00:37 The coefficient of X is the slope of the graph, which is the rate of change
00:42 Divide by 2
00:45 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

For the following straight line equation, state what is the rate of change?

8y+2x=6 -8y+2x=6

2

Step-by-step solution

To determine the rate of change for the given equation 8y+2x=6-8y + 2x = 6, follow these steps:

  • Step 1: Rearrange the equation to isolate yy. Start by subtracting 2x2x from both sides:
    8y=2x+6-8y = -2x + 6.
  • Step 2: Solve for yy by dividing every term by 8-8 to get yy by itself:
    y=28x+68y = \frac{-2}{-8}x + \frac{6}{-8}.
  • Step 3: Simplify the fractions:
    y=14x34y = \frac{1}{4}x - \frac{3}{4}.

In the equation y=14x34y = \frac{1}{4}x - \frac{3}{4}, the coefficient of xx is 14\frac{1}{4}, which represents the rate of change (slope) of the line. Therefore, the rate of change is 14\frac{1}{4}.

3

Final Answer

14 \frac{1}{4}

Practice Quiz

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Given the following graph, determine whether function is constant

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