Worksheets8.5I Write Equations in y=mx+b Form
Total questions: 18
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
Which equation has a positive slope?
a)
y= 3x + 5
b)
y= -3x + 5
c)
y= -3x - 5
2.
Which equation has a negative slope?
a)
y= ¾x + 5
b)
y= ⅛x - 16
c)
y= 9 - ½x
d)
y= -10 + 4x
3.
Which variable represents y-intercept in the linear equation y=mx+b?
a)
y
b)
x
c)
m
d)
b
4.
What is the y-intercept of this equation?
y = 5x + 8
y = 5x + 8
a)
(0, 5)
b)
(5, 0)
c)
(0, 8)
d)
(8, 0)
5.
What is the slope of this equation?
y = 3x - 4
y = 3x - 4
a)
3
b)
-4
c)
3x
d)
4
6.
Give the y-intercept
a)
(2,0)
b)
(-2,0)
c)
(0,-2)
d)
there is no y-intercept
7.
What is the y-intercept of the line graphed below?
a)
3
b)
4
c)
-3
d)
4/3
8.
What is the equation of the line that goes through these points?
a)
y = 3x + 3
b)
y = 3x + 2
c)
y = 2x + 3
d)
y = 3x + 7
9.
Write the equation.
a)
y = 4x + 3
b)
y = 4x -3
c)
y = 3x + 4
d)
y = 8x + 2
10.
Which equation best represents the line on the graph?
a)
y= 1/2x
b)
y= -1/2x
c)
y = 2x
d)
y = -2x
11.
Write the equation of the line.
a)
y = -1/3x - 2
b)
y = 1/3x - 2
c)
y = 3x - 2
d)
y = -3x - 2
12.
Find the slope of the line.
a)
3/2
b)
2/3
c)
-3/2
d)
-2/3
13.
Write the an equation for the graph shown.
a)
y = -2x + 2
b)
y = 2x + 2
c)
y = 1/2x- 2
d)
y = -1/2x + 2
14.
A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours.
a)
y = 30x + 20
b)
y = 30 + 20x
c)
y = 50x
d)
y = 60x
15.
A tub has 40 gallons of water in it and starts draining at a rate of 6 gallons per minute. Write a formula for the amount of water left in the tub.
a)
y = 6x + 40
b)
y = -6x + 40
c)
y = 6x - 40
d)
y = 40x - 6
16.
Write the equation of the line.
a)
y = -2/3x + 4
b)
y = 2/3x + 4
c)
y = 3/2x + 4
d)
y = -3/2x + 4
17.
The graph shows the relationship between the cost of some pecans and the weight of the pecans in pounds. Which equation best represents the relationship shown in the graph?
a)
y=5x
b)
y=51x
c)
y=2x
d)
y=21x
18.
The ticket sales for a concert started at 4:00 P.M. The table shows the linear relationship between the number of tickets remaining and the number of hours since 4:00P.M. Which function can be used to find, y, the number of tickets remaining x hours since 4:00 P.M.?
a)
y=3,000x+12,000
b)
y=3,000+15,000
c)
y=−3,000x+12,000
d)
y=−3,000x+15,000
100 %
