Practice mode / Basic Algebra If 12/m = 15/m2 then m = A Option A: 5?4 B Option B: 3?5 C Option C: ?5?3 D Option D: ?3?5 E Option E: none Correct answer A. 5?4 Show answer Report a problem How we write and check questions
Question 01 / Basic Algebra (x+y)2 – (x-y)2 = A Option A: 2(x2-y2) B Option B: 2(x2+y2) C Option C: 2x2-2y2-2xy D Option D: 4xy Correct answer D. 4xy Show answer Open question
Question 02 / Basic Algebra (p2-q2) / (p+q) = 50 then p-q =? A Option A: 25 B Option B: 45 C Option C: 49 D Option D: 50 Correct answer D. 50 Show answer Open question
Question 03 / Basic Algebra If 17-m = 12-n then m-n =? A Option A: 5 B Option B: ?5 C Option C: 4 D Option D: 3 E Option E: none Correct answer A. 5 Show answer Open question
Question 04 / Basic Algebra (x+y)2 + (y+z)2 = A Option A: x2+y2+z2+2xy+4yz B Option B: x2+y2+z2+4xy+2yz C Option C: x2+2y2+z2+2y(x+z) D Option D: x2+2y2+z2+2x(y+z) E Option E: none Correct answer C. x2+2y2+z2+2y(x+z) Show answer Open question
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