Algebra Practice Question and Answer
8 5 Q:
64d5cec3bd50dd8e2e15c472 4 Q:
63861340a72dd915f318247d 4 Q:
64ad3686b3b647c4eaaae23e Answer : 3. "
4 Q:
5f1e9da626299776aa421043 4 Q:
6447959fdf70e0688c8264bb 4 Q:
6343d790e76f2264c5df91ee 4 Q:
6481a06723e51f4777094a8f 4 Q:
64be5ef0a2d4dcaf0448bd97
Q:Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.
(i) 3x² + 11x + 10 = 0
(ii) 2y² + 11y + 14 = 0
953 064d5cec3bd50dd8e2e15c472
64d5cec3bd50dd8e2e15c472(ii) 2y² + 11y + 14 = 0
- 1x ≥ ytrue
- 2x ≤ yfalse
- 3x > yfalse
- 4x < yfalse
- 5x = y or no relation can be established between x & y.false
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Answer : 1. "x ≥ y"
Q: A complete factorization of x4+64 is
952 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)?
939 064ad3686b3b647c4eaaae23e
64ad3686b3b647c4eaaae23e- 1false
1-x40
- 2false
1-x32
- 3true
1-x16
- 4false
1-x42
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Answer : 3. "1-x16
"
Q: If a ≠ b, then which of the following statement is true ?
939 05f1e9da626299776aa421043
5f1e9da626299776aa421043- 1$${a+b\over 2}= \sqrt{ab} $$false
- 2$${a+b\over 2}> \sqrt{ab} $$true
- 3$${a+b\over 2}< \sqrt{ab} $$false
- 4All of the abovefalse
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Answer : 2. "$${a+b\over 2}> \sqrt{ab} $$"
Q: If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
938 06447959fdf70e0688c8264bb
6447959fdf70e0688c8264bb- 1−10false
- 2−70false
- 3−50true
- 4−30false
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Answer : 3. "−50"
Q: If P = 99, then the value of P(P2+3P+3) is
936 06343d790e76f2264c5df91ee
6343d790e76f2264c5df91ee- 1999false
- 2999999true
- 399999false
- 499false
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Answer : 2. "999999"
Q: if $$x^4+{16\over x^4}=15617, x>0$$ then find the value of $$x+{2\over x}$$
927 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: The expression $${15(\sqrt { 10}+\sqrt { 5})\over \sqrt { 10}+\sqrt { 20}+\sqrt { 40}-\sqrt { 5}-\sqrt { 80} }$$ is equal to:
926 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. "$$5(3+2 \sqrt { 2})$$"
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