Mathematics
Algebra
If x = 4, what is the value of 2x + 3?
A. 12
B. 11
C. 13
D. 10
Correct Answer: B
Substitute x=4: 2(4)+3=11.
Mathematics
Algebra
If x = 3, what is the value of 8x + 2?
A. 28
B. 25
C. 27
D. 26
Correct Answer: D
Substitute x=3: 8(3)+2=26.
Mathematics
Algebra
If x = 2, what is the value of 7x + 1?
A. 17
B. 16
C. 15
D. 14
Correct Answer: C
Substitute x=2: 7(2)+1=15.
Mathematics
Algebra
If x = 1, what is the value of 6x + 5?
A. 12
B. 11
C. 10
D. 13
Correct Answer: B
Substitute x=1: 6(1)+5=11.
Mathematics
Algebra
If x = 0, what is the value of 5x + 4?
A. 5
B. 6
C. 3
D. 4
Correct Answer: D
Substitute x=0: 5(0)+4=4.
Mathematics
Algebra
If x = −1, what is the value of 4x + 3?
A. 1
B. −1
C. 0
D. −2
Correct Answer: B
Substitute x=−1: 4(−1)+3=−1.
Mathematics
Algebra
If x = −2, what is the value of 3x + 2?
A. −3
B. −5
C. −2
D. −4
Correct Answer: D
Substitute x=−2: 3(−2)+2=−4.
Mathematics
Algebra
If x = −3, what is the value of 2x + 1?
A. −5
B. −4
C. −6
D. −3
Correct Answer: A
Substitute x=−3: 2(−3)+1=−5.
Mathematics
Algebra
Which expression represents 'five less than x'?
A. 5x
B. x+5
C. 5-x
D. x-5
Correct Answer: D
Five less than x means subtract 5 from x.
Mathematics
Algebra
What is the reciprocal of 5?
A. 5
B. 0
C. −5
D. 1⁄5
Correct Answer: D
The reciprocal of a nonzero number a is 1⁄a.
Mathematics
Algebra
What is the additive inverse of 9?
A. 9
B. −9
C. 1⁄9
D. 0
Correct Answer: B
9+(−9)=0.
Mathematics
Algebra
What is the multiplicative identity?
A. 0
B. −1
C. 1
D. 10
Correct Answer: C
Multiplying by 1 leaves a value unchanged.
Mathematics
Algebra
What is the additive identity?
A. −1
B. x
C. 0
D. 1
Correct Answer: C
Adding 0 leaves a value unchanged.
Mathematics
Algebra
Which property states a(b+c)=ab+ac?
A. Commutative property
B. Inverse property
C. Zero product property
D. Distributive property
Correct Answer: D
The factor is distributed to both terms.
Mathematics
Algebra
Which property states a+b=b+a?
A. Commutative property of addition
B. Distributive property
C. Identity property
D. Associative property
Correct Answer: A
The order of addition can be changed.
Mathematics
Algebra
What is the value that makes an equation true called?
A. Constant
B. Coefficient
C. Solution
D. Term
Correct Answer: C
A solution satisfies the equation.
Mathematics
Algebra
Which is an equation?
A. 4x-7
B. 3a+5b
C. x²
D. 2x+3=11
Correct Answer: D
An equation states that two expressions are equal.
Mathematics
Algebra
What is an algebraic expression?
A. Only a variable
B. A combination of numbers, variables, and operations
C. Only a number
D. An equation that must contain =
Correct Answer: B
An expression can contain constants, variables, and operations without an equ...
Mathematics
Algebra
Which symbol is commonly used for multiplication in algebra?
A. #NAME?
B. ·
C. +
D. <
Correct Answer: B
A centered dot commonly denotes multiplication.
Mathematics
Algebra
What is the leading coefficient of 5x³ − 2x + 1?
A. 3
B. 5
C. −2
D. 1
Correct Answer: B
The leading term is 5x³, so its coefficient is 5.