CSS - PMS - CCE - PCS - Mathematics
Algebra
Which expression represents 'the square of x decreased by 7'?
A. x²+7
B. 2x-7
C. (x-7)²
D. x² − 7
Correct Answer: D
Square x first, then subtract the number.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Which expression represents 'the quotient of x plus 6 and 5'?
A. (x-6)⁄5
B. 5⁄(x+6)
C. x + 6⁄5
D. (x + 6)⁄5
Correct Answer: D
The whole quantity x+6 is divided by 5.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Which expression represents 'the product of 5 and the sum of x and 4'?
A. 5(x-4)
B. 5+x+4
C. 5x+4
D. 5(x + 4)
Correct Answer: D
Product means multiplication of the whole sum.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Which expression represents '4 less than 3 times x'?
A. 4x-3
B. 3(x-4)
C. 4-3x
D. 3x − 4
Correct Answer: D
Start with 3x and subtract 4.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Which expression represents '3 more than 2 times x'?
A. 2(x+3)
B. 2x + 3
C. 2x-3
D. 3x+2
Correct Answer: B
2 times x is 2x, then add 3.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 4(15x + 6).
A. 60x + 6
B. 15x + 24
C. 60x + 24
D. 84x
Correct Answer: C
Distribute 4: 4×15x+4×6=60x + 24.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 3(14x + 5).
A. 57x
B. 42x + 5
C. 42x + 15
D. 14x + 15
Correct Answer: C
Distribute 3: 3×14x+3×5=42x + 15.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 2(13x + 4).
A. 13x + 8
B. 26x + 8
C. 34x
D. 26x + 4
Correct Answer: B
Distribute 2: 2×13x+2×4=26x + 8.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 7(12x + 3).
A. 84x + 21
B. 84x + 3
C. 105x
D. 12x + 21
Correct Answer: A
Distribute 7: 7×12x+7×3=84x + 21.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 6(11x + 2).
A. 66x + 2
B. 11x + 12
C. 78x
D. 66x + 12
Correct Answer: D
Distribute 6: 6×11x+6×2=66x + 12.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 5(10x + 6).
A. 50x + 6
B. 50x + 30
C. 80x
D. 10x + 30
Correct Answer: B
Distribute 5: 5×10x+5×6=50x + 30.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 4(9x + 5).
A. 36x + 5
B. 36x + 20
C. 9x + 20
D. 56x
Correct Answer: B
Distribute 4: 4×9x+4×5=36x + 20.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 3(8x + 4).
A. 24x + 12
B. 24x + 4
C. 8x + 12
D. 36x
Correct Answer: A
Distribute 3: 3×8x+3×4=24x + 12.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 2(7x + 3).
A. 14x + 3
B. 20x
C. 7x + 6
D. 14x + 6
Correct Answer: D
Distribute 2: 2×7x+2×3=14x + 6.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 7(6x + 2).
A. 56x
B. 42x + 14
C. 42x + 2
D. 6x + 14
Correct Answer: B
Distribute 7: 7×6x+7×2=42x + 14.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 6(5x + 6).
A. 30x + 6
B. 5x + 36
C. 66x
D. 30x + 36
Correct Answer: D
Distribute 6: 6×5x+6×6=30x + 36.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 5(4x + 5).
A. 20x + 25
B. 45x
C. 4x + 25
D. 20x + 5
Correct Answer: A
Distribute 5: 5×4x+5×5=20x + 25.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 4(3x + 4).
A. 28x
B. 12x + 4
C. 12x + 16
D. 3x + 16
Correct Answer: C
Distribute 4: 4×3x+4×4=12x + 16.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 3(2x + 3).
A. 2x + 9
B. 6x + 9
C. 15x
D. 6x + 3
Correct Answer: B
Distribute 3: 3×2x+3×3=6x + 9.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Expand: 2(1x + 2).
A. 2x + 4
B. 6x
C. 1x + 4
D. 2x + 2
Correct Answer: A
Distribute 2: 2×1x+2×2=2x + 4.