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Algebra Play: Practice 3

Section A: Core Practice

Question 1mcq
Simplify 2x+3+3x+42x+3+3x+4.
A.2x+72x+7
B.5x+125x+12
C.10x10x
D.5x+75x+7
Question 2mcq
Solve 7x=147x=14.
A.x=7x=7
B.x=98x=98
C.x=21x=21
D.x=2x=2
Question 3mcq
Solve 2x+5=172x+5=17.
A.x=22x=22
B.x=7x=7
C.x=6x=6
D.x=12x=12
Question 4mcq
Which identity correctly expands (a+b)2(a+b)^2?
A.a2−b2a^2-b^2
B.(a+b)2=a2+2ab+b2(a+b)^2=a^2+2ab+b^2
C.a2−ab+b2a^2-ab+b^2
D.a2+b2a^2+b^2
Question 5mcq
A school buys xx notebooks for ₹3 each and pays ₹12 delivery. Which expression gives the total cost?
A.36x36x
B.3x+123x+12
C.12x+312x+3
D.3+x+123+x+12
Question 6mcq
A school buys xx notebooks for ₹3 each and pays ₹12 delivery. Which expression gives the total cost?
A.3+x+123+x+12
B.36x36x
C.12x+312x+3
D.3x+123x+12

Section B: Reasoning and Application

Question 7mcq
Evaluate 2x2−3x+12x^2-3x+1 when x=2x=2.
A.33
B.22
C.55
D.−1-1
Question 8mcq
Simplify 2x+3+3x+42x+3+3x+4.
A.2x+72x+7
B.5x+75x+7
C.5x+125x+12
D.10x10x
Question 9mcq
Simplify 2x+3+3x+42x+3+3x+4.
A.5x+125x+12
B.10x10x
C.5x+75x+7
D.2x+72x+7
Question 10mcq
Solve 7x=147x=14.
A.x=2x=2
B.x=7x=7
C.x=21x=21
D.x=98x=98
Question 11mcq
Solve 2x+5=172x+5=17.
A.x=7x=7
B.x=22x=22
C.x=6x=6
D.x=12x=12
Question 12mcq
Which identity correctly expands (a+b)2(a+b)^2?
A.a2−ab+b2a^2-ab+b^2
B.a2+b2a^2+b^2
C.a2−b2a^2-b^2
D.(a+b)2=a2+2ab+b2(a+b)^2=a^2+2ab+b^2