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Algebra Play: Practice 2

Section A: Core Practice

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

Section B: Reasoning and Application

Question 7mcq
A school buys xx notebooks for ₹3 each and pays ₹12 delivery. Which expression gives the total cost?
A.36x36x
B.3+x+123+x+12
C.3x+123x+12
D.12x+312x+3
Question 8mcq
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.3x+123x+12
D.12x+312x+3
Question 9mcq
Evaluate 2x2−3x+12x^2-3x+1 when x=2x=2.
A.55
B.−1-1
C.22
D.33
Question 10mcq
Simplify 2x+3+3x+42x+3+3x+4.
A.10x10x
B.5x+75x+7
C.2x+72x+7
D.5x+125x+12
Question 11mcq
Simplify 2x+3+3x+42x+3+3x+4.
A.5x+125x+12
B.10x10x
C.2x+72x+7
D.5x+75x+7
Question 12mcq
Solve 7x=147x=14.
A.x=21x=21
B.x=98x=98
C.x=2x=2
D.x=7x=7