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Transcript
Name:
1- A. V = l w h, which expression can be used to represent l
B. V = l w h, which expression can be used to represent w
C. = l w h, which expression can be used to represent h
2- Solve for x
A.
2/3(x + 3) = x - 2
B.
x -2 = (4 + x) ½
C. 2(x + 10) = 1/3 (x + 6)
Midterm Review
3- Which value of x is in the solution set of the following inequalities
3( x + 2) > 18
a. -4
-4x + 3 < 23
a. -10
b. 6
b. -2
c. 2
d. 0
c. -6
d. -8
4- What is the value of m in the following equations
5m - 10 = 10m + 30
-8m - 4 = -2m + 8
8 - 2m = 4 - 2( 3 + 4m)
5- The algebraic expression
6 + 3m = 8 + 5( 3 + 4m)
x - 3 is undefined when x is
x+5
The algebraic expression x + 4 is undefined when x is
2x + 6
The algebraic expression x - 9 is undefined when x is
x-4
6- State which is rational or irrational
.121212121212.….
13113111311114.…..
1/3
7. The following expression (-4x2y3)2 is equivalent to
The following expression (5x3y4)2 is equivalent to
The following expression (-x4 y3)2 is equivalent to
8- Express in simplest form
(4x4) (6x7)
2x2
(-6x5) (9x6)
3x2
What is the value of x - 7y if x = 1 and y = 3
2
What is the value of x2 + 6y if x = -3 and y = 4
11
(10x4) (20x8)
5x3
π
9-
Given:
A = { 1,2,3,4,5,6,7,8 }
B = { 5,6,7,8}
What is the complement of set B within the universe of set A
A = {All odd integers from 1 to 19, inclusive}
B = {1,3,5,7,9}
What is the complement of set B within the universe of set A
10- Write the interval notation that represents………
set of all numbers 3 exclusive through 9 inclusive?
set of all numbers 2 exclusive through 11 exclusive?
set of all numbers 1 inclusive through 7 inclusive?
11- Which property is illustrated by the following equations………..
A + (b + c) = ( a + B) + c
distributive property
(A x b) x c = a x (b x c)
commutative property of addition
A+b=b+a
commutative property of multiplication
Axb=bxa
associative property of addition
A(b + c) = ab + ac
associative property of multiplication
12- When given a true statement: “ m is a multiple of 9 and m is even” what is the value of m?
A. 27
b. 18
c. 16
d. 9
When given a true statement: “ j is a multiple of 7 and is odd” what is the value of j?
A. 14
b. 28
c. 21
d.70
13- Which equation represents a line parallel to y = -3x + 8
A. y = 3x + 8
b. y = 1/3x - 2
c. y = -3x - 4
Which equation represents a line parallel to y = 1/2x - 5
A. y = -1/2x -2
b. y = 1/2x -8
c. y = 2x + 6
d. y = 8x =9
d. y = 5x - 2
14- what is the slope of the line that passes through the points (2,-3) ( 4, 5)
what is the slope of the line that passes through the points (-6,2) ( -2, 4)
what is the slope of the line that passes through the points (-7,-1) (-4,-5)
15- What is verbal expression that represents -4 ( x - 8 )
What is verbal expression that represents 2 ( x - 5 )
What is verbal expression that represents 6 ( x - 2 )
16- What is value of a. ( 3x2) (4x3)
4x
d.
-15a4b2
3a6b
e. 10x6y3
2x 4y6
b. ( -2x5) (-3x2)
2x
f.
16x2y7
8x5y5
c. ( 5x4) (2x3)
2x3
17- The sum of 5x3 + 4x2 + 3x + 2 and 2x3 -3x2 + 6x - 8
The sum of -7a3 + 4a2 - 6a + 4 and -3a3 -5a2 -2a + 8
The sum of -8x2 + 5x + 6 and 7x2 -4x - 5
The sum of 8x2 + 7x + 5 and 4x2 + 4
The sum of -6x2 -4x + 4 and 6x2 - 2
18- the value of………….
(2x3y5) (5x2y4)
(-4a2b3) (-2a5b4)
(6x6y2) (-3x3y4)
19- The expression ( 4x2 + 5x -3) – ( -2x2 + 3x + 4) is ______________________
The expression ( -5a2 -4a -3) – ( 3a2 -5a + 6) is ______________________
The expression ( 8x2 + 5x + 2) – ( 4x2 + 8x -5) is ______________________
20- What is the quotient of 4.2 x 108 and 2.4 x 104
- What is the quotient of 6.02 x 107 and 3.2 x 103
- What is the quotient of 8.12 x 105 and 4.04 x 102
21- Express in scientific notation 123,000,000
Express in scientific notation 0.000024
Express in scientific notation 4,210
22- What is the value of the expression | -3x + 5| when x = 4
- What is the value of the expression | -2x + 1| when x = 3
- What is the value of the expression | -4x + 2| when x = 5
23- Simplify the following expression
( x + 2y)2
b [ (b + 3) ( b + 2 ) -5 ]
x [ ( x + 6) ( x – 3 ) + ]
( a – 3b)2
y [ ( y + 3) ( y – 3 ) - 2 ]
( x - 5y)2
24- Graph the following
Y = 2x -1
Y = 2/5 x + 2
2x – 4y = 16