document.write( "Question 399387: 1. What is the equation of a line that passes through points (-1, 2) and (5, 2)?
\n" ); document.write( "y - 2 = 0
\n" ); document.write( "x - 2 = 0
\n" ); document.write( "y - x - 2 = 0\r
\n" ); document.write( "\n" ); document.write( "2. What is the equation of a line with a slope of -2 and a y-intercept of 8?
\n" ); document.write( "x + 2y - 8 = 0
\n" ); document.write( "2x + y - 8 = 0
\n" ); document.write( "2x - y + 8 = 0\r
\n" ); document.write( "\n" ); document.write( "3. What is the slope of a line parallel to the line whose equation is y - x = 5?
\n" ); document.write( "-1
\n" ); document.write( "1
\n" ); document.write( "5\r
\n" ); document.write( "\n" ); document.write( "4. What is the equation of the line that passes through the point (1, 1) and has a y-intercept of 2.
\n" ); document.write( "x - y + 2 = 0
\n" ); document.write( "x + y - 2 = 0
\n" ); document.write( "x - y - 2 = 0\r
\n" ); document.write( "\n" ); document.write( "5. The slope of a line is 1/3 . What is the slope of a line perpendicular to this line?
\n" ); document.write( "-3
\n" ); document.write( "-1/3
\n" ); document.write( "1/3
\n" ); document.write( "3\r
\n" ); document.write( "\n" ); document.write( "6. What is the slope of a line perpendicular to the line whose equation is y = 2x + 5?
\n" ); document.write( "slope = -1
\n" ); document.write( "slope = -1/2
\n" ); document.write( "slope = -2\r
\n" ); document.write( "\n" ); document.write( "7. What is the equation of a line with a point (-3, 0) and no slope?
\n" ); document.write( "x + 3 = 0
\n" ); document.write( "y + 3 = 0
\n" ); document.write( "x - 3 = 0
\n" ); document.write( "y - 3 = 0\r
\n" ); document.write( "\n" ); document.write( "8. What is the equation of a line that passes through point (1, -2) and has a slope of 1/3 .
\n" ); document.write( "3x - y - 7 = 0
\n" ); document.write( "x - 3y + 7 = 0
\n" ); document.write( "x - 3y - 7 = 0\r
\n" ); document.write( "\n" ); document.write( "9. What is the equation of the line whose y-intercept is 3 and slope is 1?
\n" ); document.write( "y = x - 3
\n" ); document.write( "y = x + 3
\n" ); document.write( "y = 3x + 1 \n" ); document.write( "

Algebra.Com's Answer #282826 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


\n" );
document.write( "Hi
\n" );
document.write( "1. What is the equation of a line that passes through points (-1, 2) and (5, 2) y = 2
\n" );
document.write( "7. What is the equation of a line with a point (-3, 0) and no slope? x = -3
\n" );
document.write( " 
\n" );
document.write( "  
\n" );
document.write( "2. What is the equation of a line with a slope of -2 and a y-intercept of 8?
\n" );
document.write( "  y = -2x + 8
\n" );
document.write( "3. What is the slope of a line parallel to the line whose equation is y - x = 5?
\n" );
document.write( " y = x+ 5   parallel lines have equal slopes of m = 1
\n" );
document.write( "4. What is the equation of the line that passes through the point (1, 1) and has a y-intercept of 2.  
\n" );
document.write( "y = mx + 2  
\n" );
document.write( "1 = m + 2    m = -1
\n" );
document.write( "y = -x + 2
\n" );
document.write( "5. The slope of a line is 1/3 . What is the slope of a line perpendicular to this line? 
\n" );
document.write( "⊥ Lines have slopes that are negative reciprocals of one another:  m = - 3/1
\n" );
document.write( "6. What is the slope of a line perpendicular to the line whose equation is y = 2x + 5?  m =  -1/2
\n" );
document.write( "8. What is the equation of a line that passes through point (1, -2) and has a slope of 1/3 . 
\n" );
document.write( "y = (1/3)x + b
\n" );
document.write( "-2 = 1/3 + b
\n" );
document.write( " -7/3 = b
\n" );
document.write( "y = (1/3)x -7/3
\n" );
document.write( " \n" );
document.write( "

\n" );