From an equation
Which is the slope?
y = 2x + 10
2
Which letter represents the slope?
m
What type of slope does a line have that is going down from left to right?
negative slope
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
What type of slope does a line have that is going up from left to right?
Positive slope
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 does the letter m stand for?
the slope of the line
What type of slope does a line have that is going straight up and down?
Undefined slope
Write in slope intercept form: m=-3/2 b=-1
What is y=-3/2x-1?
A rental car company charges a flat rate of $50 plus $0.20 per mile drive. Write an equation in slope-intercept form
y=0.20x+50
What is the y-intercept?
y = 4x - 8
-8
What does the letter b stand for?
the y-intercept
What type of slope does a line have that is going straight across from left to right?
Zero slope
True/False y=3/4+2 is written in slope intercept form
What is False?
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 = x + 2
1
To find the slope of a line, you use ___ over ___.
Rise over run
Is this written in slope intercept form?
y = mx + b
yes
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