Finding Slope
Find slope, m, at (6, 5) and (5,4).
Write an equation in slope-intercept form: (5, -1); slope = 1/5
What is y = 1/5x - 2?
Write an equation for the following situation. It costs $5 to get into the carnival and $2 per game.
y=2x+5
Graph y = -4/5x + 3.
Check student whiteboards for (5,-1) and (0,3).
Find slope, m, at (3,1) and (8,4).
What is 3/5?
Write an equation in slope-intercept form: (5,2); slope = 2
What is y = 2x - 8?
Write an equation for the situation. A dump truck dumps out 200 pounds per minute and it originally had 4000 pounds of cement in it.
y=-200x+4000
Graph y = 2x - 1.
Check student whiteboards for (0,-2), (1,1), (2,2), or (-1, -3).
Find slope, m, at (1,1) and (6,10).
What is 9/5?
Write an equation in slope-intercept form: (4, 5) and (-2, 8)
What is y = -1/2 x + 7?
A taxi ride in New York city costs $5.25 for the entrance fee and $3.75 per mile. Write an equation for the situation and solve how many miles can a person ride if they spent $15?
y=3.75x+5.25, and 2.6 miles
Graph y = -2x + 3
Check student whiteboards for (0,3), (1,1), (2, -1), or (3,-3).
Find slope, m, at (2,5) and (3,9).
What is 4?
Write an equation in slope-intercept form: (-1, 1) and (-4,4)
What is y = -1x or -x?
After 2 weeks, a puppy weighs 8 pounds. After 8 weeks, the puppy now weighs 15 pounds. How much did the puppy weigh when it was born?
5 and 2/3 pounds or 5.6 repeating pounds
Graph y = -3/4x + 3
Check student whiteboards for (0,3) and (4,0).
Find slope, m, at (-3,6) and (-3,4).
What is undefined? (cannot divide by 0)
Write an equation in slope-intercept form: (3,7) and (-3, 3)?
What is y = 2/3x + 5?
Rewrite: 10x + 3y = -7
into slope intercept for of y=mx+b
What is y = -10/3x - 7/3?
Graph y = 3x + 2
Check student whiteboards for (0,2), (1,5), (2,8), (-1,-1), or (-2,-4).