slope
What is the slope of the line that passes through the points (2, 3) and (4, 7)?
slope=2
What is the y-intercept of the line y=3x+1y=3x+1?
1
x+y=5
x−y=1
x=3,y=2
x+y=6 x−y=0x−y=0
Solution: x=3,y=3x=3,y=3
y=2x+3
This is a linear equation with a slope of 2 and a y-intercept of 3. The graph will be a straight line crossing the y-axis at (0, 3) and having a slope of 2 (rise 2, run 1)
Find the slope of the line that has the equation: y=3x+5
The slope is the coefficient of x, which is 3.
What is the y-intercept of the line y=−2x+3y=−2x+3?
3
2x+y=7
x−y=1
x=4,y=3
2x+y=7 x−y=1x−y=1
Solution: x=2,y=1x=2,y=1
Graph the equation y=2x and find the y-coordinate when x=1
When x=1x=1, y=2(1)=2
The line passes through the points (1, 2) and (3, 8). What is the slope of the line?
slope= 3
What is the y-intercept of the line y=x−4y=x−4?
4
3x+y=10
x+y=4
x=2,y=2
x+2y=9x+2y=9 2x−y=72x−y=7
Solution: x=3,y=3x=3,y=3
Graph the equation y=x+4 and find the y-coordinate when x=−1
x=−1,y=−1+4=3
Determine the slope of a line that is perpendicular to the line given by the equation y=-1/2x+4
The slope is -1/2
What is the y-intercept of the line y=−x+2y=−x+2?
2
x+2y=6
x−y=3
x=5,y=2
x+y=4 2x−y=42x−y=4
Solution: x=2,y=2x=2,y=2
Graph the equation y=x+2 and find the y-coordinate when x=−2
x=−2x=−2,y=−2+2=0
Find the slope of the line passing through the points (2,1) and (7,6).
slope =1
What is the y-intercept of the line y=0x+5y=0x+5?
5
x+3y=9
x−y=3
x=6,y=3
3x+y=10 x−y=2x−y=2
Solution: x=3,y=1x=3,y=1
Graph the equation y=x+3 and find the y-coordinate when x=2
x=2x=2, y=2+3=5