stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Introduction to Algebra Flashcards | StudBud
Explore
/
Introduction to Algebra
Introduction to Algebra
13 terms
·
StudBud Administration
·
81 plays
Imported from external platform
Flashcards
13 cards
F
Practice quiz
P
Host live
L
Questions
13
Answers
1
A rectangle has length of 2a and breadth of (b - 1). What is the perimeter of the rectangle?
4a2 (b - 1)2
2ab - 1
2ab - 2a
4a + 2 (b -1)
2
What is the perimeter of this triangle?
(1/2) (x) (x + 5)
2x + 5
3x + 6
4x + 6
3
What best describes the purpose of algebra?
To replace mathematical operations
To replace the model method
To represent known numbers
To represent unknown numbers
4
A rectangle has length of 2a and breadth of (b - 1). What is the area of the rectangle?
4a2 (b - 1)2
4a + 2 (b -1)
2ab - 1
2ab - 2a
5
a + b = c
True
False
6
If x = 3 and y = 5, what is the value of x
2
(x + y) ?
9
72
18
24
7
There are (24
a
+ 21
b
) candies to be shared among 3
k
children. Each child will get _________ candies
( 24 a + 21 b ) / k
8 a + 7 b
3 k ( 24 a + 21 b )
( 8 a + 7 b ) / k
8
In the algebraic expression "3a + 4", we call "a" the
Algebra
Variable
Constant
Coefficient
9
a + a + a =
3a
a3
a
a2
10
3 p ÷ 2 p =
1 p
(3 / 2) p
3 / 2
3p / 2
11
4m x 5n x m x n =
20 m2 n2
20 mn
9 m2 n2
9 mn
12
a x a x a =
a3
a
a2
3a
13
In the algebraic expression "3a + 4", we call "3" the
Constant
Variable
Coefficient
Algebra