From a table
Which is the slope?
y = 2x + 10
2
Which letter represents the slope?
m
2x + y = 4x - 2
y=2x-2
What is the equation in slope-intercept form if
m = 7 and b = 3
y = 7x + 3
True or False
y = mx + b is a linear equation
true
Which number is the y-intercept?
y = 3x + 21
21
Which letter represents the y-intercept?
b
3x + 4y = 3y + x - 3
y=-2x-3
Write in slope-intercept form: slope = 4; y-intercept = -6
What is y = 4 x - 6?
For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. What is the relationship between the x and y values?
y=5x+3
Which number is the slope?
y = 4x + 20
4
What type of slope does a line have that is going down from left to right?
negative slope
2y + 3x + 2 = y + 2x +6
y=-x+4
Cali decides that she is going to scoop peoples driveway. She wants to charge a fee of $25 for the first hour, then $5 for each additional hour it takes. Write an equation in y=mx+b form.
y= 5x+25
What is the y-intercept?
y = 4x + 8
8
What type of slope does a line have that is going up from left to right?
postive
6y + 4x - 7 = 4y + 8x + 5
y=2x+6
Identify the y-intercept: y = 3/4 + 2
What is 2?
Rufus collected 100 pounds of aluminum cans to recycle. He plans to collect an additional 25 pounds each week. Write an equation in y=mx+b form.
y=25x+100
What is the slope?
y = 1/2x + 2
1/2
To find the slope of a line, you use ___ over ___.
Rise over run
x - 2(5y - 4) + 7 = 4y + 7x - 5
y = x - 4
Write in slope-intercept form: slope = 2; y-intercept = 10
What is y = 2x + 10?
A canoe company has a $25 coupon off any rental. A canoe rental cost $45 per hour. Write an equation in y=mx+b form.
y=45x-25