Algebra Practice Question and Answer
8 4 Q:
64660782c899b466f455f5f4 4 Q:
63861340a72dd915f318247d 4 Q:
64ad3686b3b647c4eaaae23e Answer : 3. "
4 Q:
6343d790e76f2264c5df91ee 4 Q:
6447959fdf70e0688c8264bb 4 Q:
64be5ef0a2d4dcaf0448bd97 4 Q:
6481a06723e51f4777094a8f 4 Q:
648af48bb50f5316a46369ad
Q: If m = – 4, n = – 2, then the value of m3 – 3m2 + 3m + 3n + 3n2 + n3 is
1029 064660782c899b466f455f5f4
64660782c899b466f455f5f4- 1– 126true
- 2124false
- 3– 124false
- 4126false
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Answer : 1. "– 126 "
Q: A complete factorization of x4+64 is
1014 063861340a72dd915f318247d
63861340a72dd915f318247d- 1$$\left(x^2+8 \right)^2 \ $$false
- 2$$\left(x^2+8 \right) \ (x^2-8)$$false
- 3$$\left(x^2-4x+8 \right) \ (x^2-4x-8)$$false
- 4$$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$true
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Answer : 4. "$$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$"
Q: What is the simplified form the expression (1+x)(1+x2)(1+x4)(1+x8)(1-x)?
1013 064ad3686b3b647c4eaaae23e
64ad3686b3b647c4eaaae23e- 1false
1-x40
- 2false
1-x32
- 3true
1-x16
- 4false
1-x42
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Answer : 3. "1-x16
"
Q: If P = 99, then the value of P(P2+3P+3) is
1012 06343d790e76f2264c5df91ee
6343d790e76f2264c5df91ee- 1999false
- 2999999true
- 399999false
- 499false
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Answer : 2. "999999"
Q: If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
1005 06447959fdf70e0688c8264bb
6447959fdf70e0688c8264bb- 1−10false
- 2−70false
- 3−50true
- 4−30false
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Answer : 3. "−50"
Q: The expression $${15(\sqrt { 10}+\sqrt { 5})\over \sqrt { 10}+\sqrt { 20}+\sqrt { 40}-\sqrt { 5}-\sqrt { 80} }$$ is equal to:
999 064be5ef0a2d4dcaf0448bd97
64be5ef0a2d4dcaf0448bd97- 1$$10(3+2 \sqrt { 5})$$false
- 2$$5+(2 \sqrt { 2})$$false
- 3$$5(3+2 \sqrt { 2})$$true
- 4$$5-(2 \sqrt { 5})$$false
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Answer : 3. "$$5(3+2 \sqrt { 2})$$"
Q: if $$x^4+{16\over x^4}=15617, x>0$$ then find the value of $$x+{2\over x}$$
997 06481a06723e51f4777094a8f
6481a06723e51f4777094a8f- 1$$ \sqrt {121} $$false
- 2$$ \sqrt {127} $$false
- 3$$ \sqrt {129} $$true
- 4$$ \sqrt {123} $$false
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Answer : 3. "$$ \sqrt {129} $$"
Q: if x+y =3 and $${1\over x}+{1\over y}= -{3\over 10}$$ then the value of (x2+y2) is :
997 0648af48bb50f5316a46369ad
648af48bb50f5316a46369ad- 129true
- 228false
- 326false
- 434false
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Answer : 1. "29"
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