| A | B |
|---|
| Find the slope and y-intercept of the following equation: y=3x+2 | y=3x+2 This is already in y=mx+b form. The slope is 3 and the y-intercept is 2. |
| Find the slope and y-intercept: 3x+2y=6 | 3x+2y=6 2y=-3x+6 y=-3/2x+3 The slope is -3/2 and the y-intercept is 3. |
| Find the slope and y-intercept: 5x+4y=20 | 5x+4y=20 4y=-5x+20 y=-5/4x+5 The slope is -5/4 and the y-intercept is 5. |
| Find the slope and y-intercept: 6x-9y=18 | 6x-9y=18 -9y=-6x+18 y=2/3x-2 The slope is 2/3 and the y-intercept is -2. |
| Find the slope and y-intercept: 8x-11y=17 | 8x-11y=17 -11y=-8x+17 y=8/11x-17/11 The slope is 8/11 and the y-intercept is -17/11. |
| Write the equation of a line in slope-intercept form which passes thru (5,2) and (3,8). | (5,2) and (3,8): Slope=(8-2)/(3-5)=6/(-2)=-3 y-y1=m(x-x1) y-2=-3(x-5) y-2=-3x+15 y=-3x+17 |
| Write the equation for a line in slope-intercept form that passes thru (5,-2) and (1,0) | (5,-2) and (1,0): slope=((0-(-2))/(1-5)=2/(-4)=-1/2 y-y1=m(x-x1) y-(-2)=-1/2(x-5) y+2=-1/2x+5/2 y=-1/2x+1/2 |
| Write the equation of a line in slope-intercept form with a slope of 3 and which passes thru (4,6). | Slope of 3 and thru (4,6): y-y1=m(x-x1) y-6=3(x-4) y-6=3x-12 y=3x-6 |
| Find the equation of a line in slope-intercept form which has a slope of -5 and passes thru (8,-3) | Slope of -5 and thru (8,-3): y-y1=m(x-x1) y-(-3)=-5(x-8) y+3=-5x+40 y=-5x+37 |
| Write the equation for a line in slope-intercept form which passes thru the origin and has a slope of 4. | Thru the origin (ie. (0,0) and slope of 4: y-y1=m(x-x1) y-0=4(x-0) y=4x |
