Practice mode / Equations and Inequalities (x4+y)2+(x4-y)2=? A Option A: 2(x6+y2) B Option B: 4(x8-y4) C Option C: 3(x5-y3) D Option D: 8(x4+y2) E Option E: 2(x8+y2) Correct answer E. 2(x8+y2) Show answer Report a problem How we write and check questions
Question 01 / Equations and Inequalities Which of the following is equivalent to 9×2-6x-3? A Option A: (9x-3)(x-1) B Option B: (3x+1)2 C Option C: (9x+3)(x-1) D Option D: (3x-1)2 Correct answer C. (9x+3)(x-1) Show answer Open question
Question 02 / Equations and Inequalities If L#N then (LM-LN)/(N-M)=? A Option A: L B Option B: M C Option C: O D Option D: -1 E Option E: ?L Correct answer E. ?L Show answer Open question
Question 03 / Equations and Inequalities 7×2-4x+4-9x(2x-3)? A Option A: 11x2-2x B Option B: 12x2+19+4 C Option C: ?11x2+23x+4 D Option D: ?11x2-18+4 Correct answer C. ?11x2+23x+4 Show answer Open question
Question 04 / Equations and Inequalities If y2-25 A Option A: y ? -4 B Option B: y < -2 C Option C: y ? + 1 D Option D: y ? 5 Correct answer D. y ? 5 Show answer Open question
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