WorksheetsCh. 3 Review
Total questions: 30
Worksheet time: 8hrs 30mins
Name
Class
Date
1.
In an arithmetic sequence, the amount of increase or decrease between terms is called __________
a)
direct variation
b)
slope
c)
common difference
d)
y-intercept
2.
Which equation below is in standard form?
a)
ax=by-c
b)
ax+by=c
c)
by=ax-c
d)
x=y
3.
In a(n) _______________, the difference between terms is the same.
a)
arithmetic sequence
b)
common difference
c)
root
d)
standard form
4.
What is the slope of this graph?
a)
Slope = 1
b)
Slope = 2
c)
Slope = -1
d)
Slope = -2
5.
Find the x- and y-intercepts of y = -3x - 18.
a)
(0,-6) and (-18,0)
b)
(0,0) and (-6,0)
c)
(6,0) and (0,18)
d)
(-6,0) and (0,-18)
6.
Find the slope of the line passing through (3,7) and (-1,4).
a)
3
b)
3/4
c)
4
d)
4/3
7.
Find the slope of the line passing through points (-3,2) and (6,2).
a)
2
b)
-2
c)
Undefined
d)
0
8.
Find the slope of the line passing through (0,0) and (0,8).
a)
-8
b)
Undefined
c)
0
d)
8
9.
Pick the correct description for a line with a slope of 3.
a)
Start at the y-intercept, count up 3 and right 1
b)
Start at the origin, count up 3 and right 1
c)
Start at the y-intercept, count up 1 and right 3
d)
Start at the origin, count up 1 and right 3
10.
What is the equation for the nth term in this sequence: 12, 15, 18, 21.....
a)
an = 12 + (n-1)(-3)
b)
an = 12 + (n-1)(3)
c)
an = 15 + (n)(-3)
d)
an = 12 + (n)(-3)
11.
What is the 62nd term of this sequence: 2, 4, 6, 8.....
a)
124
b)
120
c)
130
d)
146
12.
Suppose y varies directly as x, and y=26 when x=8. Find x when y=65.
a)
15
b)
20
c)
25
d)
24
13.
What is the slope of this graph?
a)
Slope = -2/3
b)
Slope = -3/2
c)
Slope = 2
d)
Slope = -2
14.
Write y + 1 = -2x-3 in standard form.
a)
2x + y = -4
b)
y = 2x + 4
c)
2x = y + 4
d)
x + 2y = -4
15.
Find the root of 5x - 20 = 0.
a)
x = 4
b)
x = 6
c)
x = 2
d)
x = -2
16.
Determine which sequence is arithmetic:
a)
3, 6, 12, 24....
b)
-7, -3, 1, 5....
c)
0.5, 2.5, 3, 5....
d)
1, 6, 10, 20....
17.
Find the next three terms in this sequence: 5, 9, 13, 17...
a)
21, 23, 25
b)
21, 25, 29
c)
41, 45, 49
d)
21, 41, 61
18.
Which equation is linear?
a)
4m2 = 6
b)
2xy - 2 = y
c)
3a + 5b = 2
d)
x2 + y2 = 5
19.
Every direct variation equation (y=kx) goes through which point?
a)
(0,2)
b)
(0,1)
c)
(0,0)
d)
(1,0)
20.
Suppose y varies directly as x. Which equation would you use for this problem?
a)
y = k - x
b)
y = kx
c)
k = yx
d)
y - k = x
21.
Suppose y varies directly as x. If y = 8 when x = 2, find y when x = 3.
a)
y = 12
b)
y = 3
c)
y = 4
d)
y = 16
22.
Suppose y varies directly as x. If y = 45 when x = 15, find x when y = 15.
a)
x = 50
b)
x = 25
c)
x = 0
d)
x = 5
23.
Solve: 2x - 5 = -3 + 2x
a)
x = 0
b)
x = 2
c)
No Solution
d)
x = 1
24.
Solve: -3x + 8 = -7
a)
x = 5
b)
x = -5
c)
x = 2
d)
x = -2
25.
Write an equation in function notation for this graph.
a)
f(x) = (2/3)x - 4
b)
f(x) = (2/3)x + 4
c)
f(x) = (3/2)x - 4
d)
f(x) = (3/2)x + 4
26.
Rewrite the following equation in function notation: y = 3x + 1
a)
f(x) = 3x + 1
b)
y - 3x = 1
c)
f(x) = 3x - 1
d)
f(x) = 3x
27.
Write the equation in function notation for this graph.
a)
f(x) = 2x - 5
b)
f(x) = -2x - 5
c)
f(x) = -2x + 5
d)
f(x) = 2x + 5
28.
Write the equation for this graph in functional notation.
a)
y = x + 3
b)
f(x) = x + 3
c)
x = y - 3
d)
f(x) = x - 3
29.
Which of the following equations is in functional notation?
a)
y = x - 2
b)
x = 2 - y
c)
f(x) = x + 7
d)
y = x - 7x2
30.
Which of the following equations are linear?
a)
x + y = 4
b)
x2 + 4 = y
c)
y = 4x2 - 3
d)
xy = 3
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