4-1
WRITE IN SLOPE INTERCEPT FORM
X INTERCEPT: 4
SLOPE: 1/3
Y INTERCEPT: 9
y= (1/3)x + 9
write an equation of the line that passes through the given point and has the given slope
(5,-2) slope -1/3
y= (-1/3)x - 1/3
write an equation in point-slope form for the line that passes though the given point with the slope provided
(6,3) slope 5
y-3= 5(x-6)
write an equation in slope intercept form for the line that passes through the given point and is parallel to the graph of the equation
(2,5) y=x-3
y=x+3
find the inverse of the relation
(7, 3.5)(6.2, 8) (-4,2.7) (-12, 1.4)
(3.5, 7)
(8, 6.2)
(2.7, -4)
(1.4, -12)
WRITE IN SLOPE INTERCEPT FORM
X INTERCEPT: 2/3
Y INTERCEPT: 0
SLOPE: 3
write an equation of the line that passes through the given point and has the given slope
(-3, -1) slope 2/5
y=2/5x + 1/5
write an equation in point-slope form for the line that passes though the given point with the slope provided
(-2,1) slope -3
y-1=-3(x+2)
write an equation in slope intercept form for the line that passes through the given point and is parallel to the graph of the equation
(-5, -2) y= - 1/2x + 4
y= -1/2x -(9/2)
the table shows the number of purchases made at an outerwear store during a sale. write an equation of the regression line. then estimate the daily purchases on day 10 for the sale (pg 275 # 49)
y=5.36x + 11
65
WHAT IS THE SLOPE OF THE FOLLOWING EQUATION?
Y=2X+ (-9)
2
write the equation of the line that passes through the given points
(2, -1) (5, 2)
y=x-3
write in standard form
y-3= 5(x-2)
5x-y=7
write an equation in slope intercept form for the line that passes through the given point and is perpendicular to the graph of the equation
(2,4) y= 3x + 1
y = -1/3x + 14/3
the table shows ticket sales at a certain theater during the first week after a movie opened. write an equation of the regression line. then estimate the daily ticket sales on the 15th day. (pg 275 # 50)
y = -5.79 x + 99.14
$12.29
WHAT IS THE Y INTERCEPT OF THE FOLLOWING?
Y=2.3X + (-3)
-3
write the equation of the line that passes through the given points
(3,5) (5,6)
y=1/2x + 7/2
write in standard form
y-9= - 4/5 (x + 2)
4x + 5y = 37
write an equation in slope intercept form for the line that passes through the given point and is perpendicular to the graph of the equation
(3,0) y = -1/2 x
y= 2 x - 6
find the inverse of the function
f(x) = -2/3x + 1/4
f(-1)(x) = -3/2 x + 3/8
the cost of attending an amusement park is $8. one amusement park ride is $3. write an equation in slope intercept form for the total cost of the amusement park and rides for x amount of times the rides are ridden for one day ticket.
y=3x+ 8
in 2005, a camp had 450 campers. five years later, the number of campers rose to 750. write a linear equation that represents the number of campers that attend camp
y=60x + 450
write in slope intercept form
y - 4= 1/2(x+2)
y=1/2x + 5
a scatter plot of data compares the number of years since a business has opened and its annual number of sales. it contains the ordered pairs (2, 650) and (5, 1280). write an equation in slope interecpt form for the line of fit for this situation
y = 210x + 230
find the inverse of the function
f(x)= -3x + 3
f(-1)(x) = -1/3 x + 1