Identifying Terms
Which of the following is a term?
A) 3x+4
B) 5y
C) x2−6
D) 4a+7b=10
5y
Which pair of terms are like terms?
A) 3x and 5x
B) 4a and 4b
C) 2y and 6z
D) 8mn and 9n
A) 3x and 5x
What is the sum of 41x+39x
80x
Simplify: 5x+3y−2x+7y
3x+10y
If a=2, what is 3a−1?
A) 7
B) 5
C) 6
D) 4
B) 5
Which of the following is NOT an algebraic term?
A) 8y
B) 2x2
C) 5505p
D) 6a+b
D) 6a+b
Which of these are unlike terms?
A) 6a and 2a
B) 9x2 and 3x2
C) 4y and 5z
D) 10b and 7b
C) 4y and 5z
Simplify: 50a+25a + 100a
175a
Simplify 18a − 30a + 24a
12a
If x=5, what is 3x2
A) 30
B) 45
C) 75
D) 225
C) 75
Which of these is an algebraic expression?
A) 7m−3n
B) x+5=12
C)9
D) 2x=8
A) 7m−3n
Which set contains only like terms?
A) 3ax, 4ay, 5az
B) 7am, 8am, 9am
C) 2ax, 3ay, 4az
D) 6a, 5ab, 7ac
B) 7am, 8am, 9am
Which statement expresses the difference between: 97x2 and 29x2
A) 97x2 is larger than 29x2
B)29x2 is smaller than 97x2
C) 97x2 - 29x2
D) 29x2 - 97x2
C) 97x2 - 29x2
18a − 4b + 16a + 9b − 32a
2a + 5b
If b=6, what is 4b −2?
A) 22
B) 24
C) 26
D) 18
B) 22
What is the difference between an equation and an expression?
A) An equation has an equal sign, an expression does not.
B) An equation is always true, an expression is not.
C) An expression contains numbers only, while an equation contains variables.
D) There is no difference.
A) An equation has an equal sign, an expression does not.
Which of these is NOT a pair of like terms?
A) 5n2p and 130n2p
B) 22x2and 727x2
C) 14m2n and 14mn2
D) 61y and 9y
C) 14m2n and 14mn2
50y−20y - 40x
30y - 40x
12m+7n−5m−2n+3m
10m+5n
If y=4, what is 2y+3?
A) 6
B) 11
C) 9
D) 8
B) 11
True or False
6(a+3b) + 8(x3 - y) represents an equation?
False
True or False
70m2n3 and 700m3n2 are like terms
False
Find the difference: 101x − 3xy
101x − 3xy
9x − 12y + 4x + 3y − 6x
7x - 9y
If x = 4 and y = 7, what is 3x2 - 5y?
13