Practice mode / Basic Algebra If (5w)(5x) = 5y/5z what is z in terms of w x and y? A Option A: y/wx B Option B: y-w-x C Option C: w+x-y D Option D: y-wx E Option E: y/w+x Correct answer B. y-w-x Show answer Report a problem How we write and check questions
Question 01 / Basic Algebra (a3+b)2 – (a3-b)2 + A Option A: ?4a3b B Option B: 0 C Option C: (2ab)2 D Option D: 4a3b E Option E: 4a2b Correct answer D. 4a3b Show answer Open question
Question 02 / Basic Algebra If a = p + prt they r =? A Option A: (a-1) / t B Option B: (a-p) / pt C Option C: a-p-pt D Option D: a/t E Option E: (a+p) / pt Correct answer B. (a-p) / pt Show answer Open question
Question 03 / Basic Algebra The trinomial x2+x-20 is exactly divisible by? A Option A: x-5 B Option B: x+4 C Option C: x-10 D Option D: x-4 E Option E: x-2 Correct answer D. x-4 Show answer Open question
Question 04 / Basic Algebra Divide (x-y)/(x+y) by (y+x)/(y-x) = A Option A: ?1 B Option B: 0 C Option C: 1 D Option D: ?(x-y)2/(x+y)2 E Option E: [(y-x)/(x+y)] Correct answer D. ?(x-y)2/(x+y)2 Show answer Open question
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