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Graphically, the pair of equations 6x ...

Graphically, the pair of equations
`6x - 3y+10 = 0`
`2x - y + 9 = 0`
represents two lines which are

A

intersecting at exactly one point

B

intersecting exactly two points

C

coincident

D

parallel

Text Solution

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The correct Answer is:
To determine the relationship between the two equations graphically, we will analyze the equations step by step and plot them on a graph. ### Step 1: Write down the equations The given equations are: 1. \( 6x - 3y + 10 = 0 \) 2. \( 2x - y + 9 = 0 \) ### Step 2: Rearrange each equation into slope-intercept form We will rearrange both equations into the form \( y = mx + b \) where \( m \) is the slope and \( b \) is the y-intercept. **For the first equation:** \[ 6x - 3y + 10 = 0 \implies -3y = -6x - 10 \implies y = 2x + \frac{10}{3} \] **For the second equation:** \[ 2x - y + 9 = 0 \implies -y = -2x - 9 \implies y = 2x + 9 \] ### Step 3: Identify the slopes and y-intercepts From the rearranged equations: - The first equation \( y = 2x + \frac{10}{3} \) has a slope \( m_1 = 2 \) and y-intercept \( b_1 = \frac{10}{3} \). - The second equation \( y = 2x + 9 \) has a slope \( m_2 = 2 \) and y-intercept \( b_2 = 9 \). ### Step 4: Compare the slopes Since both equations have the same slope \( m_1 = m_2 = 2 \), the lines represented by these equations are parallel. ### Step 5: Check for intersection Parallel lines do not intersect, which means there is no solution to the system of equations. ### Conclusion The pair of equations \( 6x - 3y + 10 = 0 \) and \( 2x - y + 9 = 0 \) represent two parallel lines. ---

To determine the relationship between the two equations graphically, we will analyze the equations step by step and plot them on a graph. ### Step 1: Write down the equations The given equations are: 1. \( 6x - 3y + 10 = 0 \) 2. \( 2x - y + 9 = 0 \) ### Step 2: Rearrange each equation into slope-intercept form ...
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